21701970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 59192640

約数和(自身を除く): 37490670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 59, 61, 67, 90, 118, 122, 134, 177, 183, 201, 295, 305, 335, 354, 366, 402, 531, 549, 590, 603, 610, 670, 885, 915, 1005, 1062, 1098, 1206, 1770, 1830, 2010, 2655, 2745, 3015, 3599, 3953, 4087, 5310, 5490, 6030, 7198, 7906, 8174, 10797, 11859, 12261, 17995, 19765, 20435, 21594, 23718, 24522, 32391, 35577, 35990, 36783, 39530, 40870, 53985, 59295, 61305, 64782, 71154, 73566, 107970, 118590, 122610, 161955, 177885, 183915, 241133, 323910, 355770, 367830, 482266, 723399, 1205665, 1446798, 2170197, 2411330, 3616995, 4340394, 7233990, 10850985, 21701970]

約数ペア:

[(1, 21701970), (2, 10850985), (3, 7233990), (5, 4340394), (6, 3616995), (9, 2411330), (10, 2170197), (15, 1446798), (18, 1205665), (30, 723399), (45, 482266), (59, 367830), (61, 355770), (67, 323910), (90, 241133), (118, 183915), (122, 177885), (134, 161955), (177, 122610), (183, 118590), (201, 107970), (295, 73566), (305, 71154), (335, 64782), (354, 61305), (366, 59295), (402, 53985), (531, 40870), (549, 39530), (590, 36783), (603, 35990), (610, 35577), (670, 32391), (885, 24522), (915, 23718), (1005, 21594), (1062, 20435), (1098, 19765), (1206, 17995), (1770, 12261), (1830, 11859), (2010, 10797), (2655, 8174), (2745, 7906), (3015, 7198), (3599, 6030), (3953, 5490), (4087, 5310)]