21635460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:263

約数の個数: 216

約数和(自身を含む): 83655936

約数和(自身を除く): 62020476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 126, 132, 140, 147, 154, 165, 180, 196, 198, 210, 220, 223, 231, 245, 252, 294, 308, 315, 330, 385, 396, 420, 441, 446, 462, 490, 495, 539, 588, 630, 660, 669, 693, 735, 770, 882, 892, 924, 980, 990, 1078, 1115, 1155, 1260, 1338, 1386, 1470, 1540, 1561, 1617, 1764, 1980, 2007, 2156, 2205, 2230, 2310, 2453, 2676, 2695, 2772, 2940, 3122, 3234, 3345, 3465, 4014, 4410, 4460, 4620, 4683, 4851, 4906, 5390, 6244, 6468, 6690, 6930, 7359, 7805, 8028, 8085, 8820, 9366, 9702, 9812, 10035, 10780, 10927, 12265, 13380, 13860, 14049, 14718, 15610, 16170, 17171, 18732, 19404, 20070, 21854, 22077, 23415, 24255, 24530, 28098, 29436, 31220, 32340, 32781, 34342, 36795, 40140, 43708, 44154, 46830, 48510, 49060, 51513, 54635, 56196, 65562, 68684, 70245, 73590, 85855, 88308, 93660, 97020, 98343, 103026, 109270, 110385, 120197, 131124, 140490, 147180, 154539, 163905, 171710, 196686, 206052, 218540, 220770, 240394, 257565, 280980, 309078, 327810, 343420, 360591, 393372, 441540, 480788, 491715, 515130, 600985, 618156, 655620, 721182, 772695, 983430, 1030260, 1081773, 1201970, 1442364, 1545390, 1802955, 1966860, 2163546, 2403940, 3090780, 3605910, 4327092, 5408865, 7211820, 10817730, 21635460]

約数ペア:

[(1, 21635460), (2, 10817730), (3, 7211820), (4, 5408865), (5, 4327092), (6, 3605910), (7, 3090780), (9, 2403940), (10, 2163546), (11, 1966860), (12, 1802955), (14, 1545390), (15, 1442364), (18, 1201970), (20, 1081773), (21, 1030260), (22, 983430), (28, 772695), (30, 721182), (33, 655620), (35, 618156), (36, 600985), (42, 515130), (44, 491715), (45, 480788), (49, 441540), (55, 393372), (60, 360591), (63, 343420), (66, 327810), (70, 309078), (77, 280980), (84, 257565), (90, 240394), (98, 220770), (99, 218540), (105, 206052), (110, 196686), (126, 171710), (132, 163905), (140, 154539), (147, 147180), (154, 140490), (165, 131124), (180, 120197), (196, 110385), (198, 109270), (210, 103026), (220, 98343), (223, 97020), (231, 93660), (245, 88308), (252, 85855), (294, 73590), (308, 70245), (315, 68684), (330, 65562), (385, 56196), (396, 54635), (420, 51513), (441, 49060), (446, 48510), (462, 46830), (490, 44154), (495, 43708), (539, 40140), (588, 36795), (630, 34342), (660, 32781), (669, 32340), (693, 31220), (735, 29436), (770, 28098), (882, 24530), (892, 24255), (924, 23415), (980, 22077), (990, 21854), (1078, 20070), (1115, 19404), (1155, 18732), (1260, 17171), (1338, 16170), (1386, 15610), (1470, 14718), (1540, 14049), (1561, 13860), (1617, 13380), (1764, 12265), (1980, 10927), (2007, 10780), (2156, 10035), (2205, 9812), (2230, 9702), (2310, 9366), (2453, 8820), (2676, 8085), (2695, 8028), (2772, 7805), (2940, 7359), (3122, 6930), (3234, 6690), (3345, 6468), (3465, 6244), (4014, 5390), (4410, 4906), (4460, 4851), (4620, 4683)]