21626280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4621}}^1$

素因数の和:4651

約数の個数: 96

約数和(自身を含む): 75708360

約数和(自身を除く): 54082080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4621, 4680, 9242, 13863, 18484, 23105, 27726, 36968, 41589, 46210, 55452, 60073, 69315, 83178, 92420, 110904, 120146, 138630, 166356, 180219, 184840, 207945, 240292, 277260, 300365, 332712, 360438, 415890, 480584, 540657, 554520, 600730, 720876, 831780, 901095, 1081314, 1201460, 1441752, 1663560, 1802190, 2162628, 2402920, 2703285, 3604380, 4325256, 5406570, 7208760, 10813140, 21626280]

約数ペア:

[(1, 21626280), (2, 10813140), (3, 7208760), (4, 5406570), (5, 4325256), (6, 3604380), (8, 2703285), (9, 2402920), (10, 2162628), (12, 1802190), (13, 1663560), (15, 1441752), (18, 1201460), (20, 1081314), (24, 901095), (26, 831780), (30, 720876), (36, 600730), (39, 554520), (40, 540657), (45, 480584), (52, 415890), (60, 360438), (65, 332712), (72, 300365), (78, 277260), (90, 240292), (104, 207945), (117, 184840), (120, 180219), (130, 166356), (156, 138630), (180, 120146), (195, 110904), (234, 92420), (260, 83178), (312, 69315), (360, 60073), (390, 55452), (468, 46210), (520, 41589), (585, 36968), (780, 27726), (936, 23105), (1170, 18484), (1560, 13863), (2340, 9242), (4621, 4680)]