21602460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 67060224

約数和(自身を除く): 45457764

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 71, 110, 132, 142, 165, 213, 220, 284, 330, 355, 426, 461, 660, 710, 781, 852, 922, 1065, 1383, 1420, 1562, 1844, 2130, 2305, 2343, 2766, 3124, 3905, 4260, 4610, 4686, 5071, 5532, 6915, 7810, 9220, 9372, 10142, 11715, 13830, 15213, 15620, 20284, 23430, 25355, 27660, 30426, 32731, 46860, 50710, 60852, 65462, 76065, 98193, 101420, 130924, 152130, 163655, 196386, 304260, 327310, 360041, 392772, 490965, 654620, 720082, 981930, 1080123, 1440164, 1800205, 1963860, 2160246, 3600410, 4320492, 5400615, 7200820, 10801230, 21602460]

約数ペア:

[(1, 21602460), (2, 10801230), (3, 7200820), (4, 5400615), (5, 4320492), (6, 3600410), (10, 2160246), (11, 1963860), (12, 1800205), (15, 1440164), (20, 1080123), (22, 981930), (30, 720082), (33, 654620), (44, 490965), (55, 392772), (60, 360041), (66, 327310), (71, 304260), (110, 196386), (132, 163655), (142, 152130), (165, 130924), (213, 101420), (220, 98193), (284, 76065), (330, 65462), (355, 60852), (426, 50710), (461, 46860), (660, 32731), (710, 30426), (781, 27660), (852, 25355), (922, 23430), (1065, 20284), (1383, 15620), (1420, 15213), (1562, 13830), (1844, 11715), (2130, 10142), (2305, 9372), (2343, 9220), (2766, 7810), (3124, 6915), (3905, 5532), (4260, 5071), (4610, 4686)]