21606390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 61719840

約数和(自身を除く): 40113450

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 59, 65, 78, 90, 117, 118, 130, 177, 195, 234, 295, 313, 354, 390, 531, 585, 590, 626, 767, 885, 939, 1062, 1170, 1534, 1565, 1770, 1878, 2301, 2655, 2817, 3130, 3835, 4069, 4602, 4695, 5310, 5634, 6903, 7670, 8138, 9390, 11505, 12207, 13806, 14085, 18467, 20345, 23010, 24414, 28170, 34515, 36621, 36934, 40690, 55401, 61035, 69030, 73242, 92335, 110802, 122070, 166203, 183105, 184670, 240071, 277005, 332406, 366210, 480142, 554010, 720213, 831015, 1200355, 1440426, 1662030, 2160639, 2400710, 3601065, 4321278, 7202130, 10803195, 21606390]

約数ペア:

[(1, 21606390), (2, 10803195), (3, 7202130), (5, 4321278), (6, 3601065), (9, 2400710), (10, 2160639), (13, 1662030), (15, 1440426), (18, 1200355), (26, 831015), (30, 720213), (39, 554010), (45, 480142), (59, 366210), (65, 332406), (78, 277005), (90, 240071), (117, 184670), (118, 183105), (130, 166203), (177, 122070), (195, 110802), (234, 92335), (295, 73242), (313, 69030), (354, 61035), (390, 55401), (531, 40690), (585, 36934), (590, 36621), (626, 34515), (767, 28170), (885, 24414), (939, 23010), (1062, 20345), (1170, 18467), (1534, 14085), (1565, 13806), (1770, 12207), (1878, 11505), (2301, 9390), (2655, 8138), (2817, 7670), (3130, 6903), (3835, 5634), (4069, 5310), (4602, 4695)]