21385650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1036

約数の個数: 96

約数和(自身を含む): 62371008

約数和(自身を除く): 40985358

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 25, 26, 30, 33, 39, 50, 55, 65, 66, 75, 78, 110, 130, 143, 150, 165, 195, 275, 286, 325, 330, 390, 429, 550, 650, 715, 825, 858, 975, 997, 1430, 1650, 1950, 1994, 2145, 2991, 3575, 4290, 4985, 5982, 7150, 9970, 10725, 10967, 12961, 14955, 21450, 21934, 24925, 25922, 29910, 32901, 38883, 49850, 54835, 64805, 65802, 74775, 77766, 109670, 129610, 142571, 149550, 164505, 194415, 274175, 285142, 324025, 329010, 388830, 427713, 548350, 648050, 712855, 822525, 855426, 972075, 1425710, 1645050, 1944150, 2138565, 3564275, 4277130, 7128550, 10692825, 21385650]

約数ペア:

[(1, 21385650), (2, 10692825), (3, 7128550), (5, 4277130), (6, 3564275), (10, 2138565), (11, 1944150), (13, 1645050), (15, 1425710), (22, 972075), (25, 855426), (26, 822525), (30, 712855), (33, 648050), (39, 548350), (50, 427713), (55, 388830), (65, 329010), (66, 324025), (75, 285142), (78, 274175), (110, 194415), (130, 164505), (143, 149550), (150, 142571), (165, 129610), (195, 109670), (275, 77766), (286, 74775), (325, 65802), (330, 64805), (390, 54835), (429, 49850), (550, 38883), (650, 32901), (715, 29910), (825, 25922), (858, 24925), (975, 21934), (997, 21450), (1430, 14955), (1650, 12961), (1950, 10967), (1994, 10725), (2145, 9970), (2991, 7150), (3575, 5982), (4290, 4985)]