21837420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 74299680

約数和(自身を除く): 52462260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 41, 44, 45, 55, 60, 66, 82, 90, 99, 110, 123, 132, 164, 165, 180, 198, 205, 220, 246, 269, 330, 369, 396, 410, 451, 492, 495, 538, 615, 660, 738, 807, 820, 902, 990, 1076, 1230, 1345, 1353, 1476, 1614, 1804, 1845, 1980, 2255, 2421, 2460, 2690, 2706, 2959, 3228, 3690, 4035, 4059, 4510, 4842, 5380, 5412, 5918, 6765, 7380, 8070, 8118, 8877, 9020, 9684, 11029, 11836, 12105, 13530, 14795, 16140, 16236, 17754, 20295, 22058, 24210, 26631, 27060, 29590, 33087, 35508, 40590, 44116, 44385, 48420, 53262, 55145, 59180, 66174, 81180, 88770, 99261, 106524, 110290, 121319, 132348, 133155, 165435, 177540, 198522, 220580, 242638, 266310, 330870, 363957, 397044, 485276, 496305, 532620, 606595, 661740, 727914, 992610, 1091871, 1213190, 1455828, 1819785, 1985220, 2183742, 2426380, 3639570, 4367484, 5459355, 7279140, 10918710, 21837420]

約数ペア:

[(1, 21837420), (2, 10918710), (3, 7279140), (4, 5459355), (5, 4367484), (6, 3639570), (9, 2426380), (10, 2183742), (11, 1985220), (12, 1819785), (15, 1455828), (18, 1213190), (20, 1091871), (22, 992610), (30, 727914), (33, 661740), (36, 606595), (41, 532620), (44, 496305), (45, 485276), (55, 397044), (60, 363957), (66, 330870), (82, 266310), (90, 242638), (99, 220580), (110, 198522), (123, 177540), (132, 165435), (164, 133155), (165, 132348), (180, 121319), (198, 110290), (205, 106524), (220, 99261), (246, 88770), (269, 81180), (330, 66174), (369, 59180), (396, 55145), (410, 53262), (451, 48420), (492, 44385), (495, 44116), (538, 40590), (615, 35508), (660, 33087), (738, 29590), (807, 27060), (820, 26631), (902, 24210), (990, 22058), (1076, 20295), (1230, 17754), (1345, 16236), (1353, 16140), (1476, 14795), (1614, 13530), (1804, 12105), (1845, 11836), (1980, 11029), (2255, 9684), (2421, 9020), (2460, 8877), (2690, 8118), (2706, 8070), (2959, 7380), (3228, 6765), (3690, 5918), (4035, 5412), (4059, 5380), (4510, 4842)]