21711375

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{919}}^1$

素因数の和:950

約数の個数: 64

約数和(自身を含む): 45926400

約数和(自身を除く): 24215025

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 125, 135, 175, 189, 225, 315, 375, 525, 675, 875, 919, 945, 1125, 1575, 2625, 2757, 3375, 4595, 4725, 6433, 7875, 8271, 13785, 19299, 22975, 23625, 24813, 32165, 41355, 57897, 68925, 96495, 114875, 124065, 160825, 173691, 206775, 289485, 344625, 482475, 620325, 804125, 868455, 1033875, 1447425, 2412375, 3101625, 4342275, 7237125, 21711375]

約数ペア:

[(1, 21711375), (3, 7237125), (5, 4342275), (7, 3101625), (9, 2412375), (15, 1447425), (21, 1033875), (25, 868455), (27, 804125), (35, 620325), (45, 482475), (63, 344625), (75, 289485), (105, 206775), (125, 173691), (135, 160825), (175, 124065), (189, 114875), (225, 96495), (315, 68925), (375, 57897), (525, 41355), (675, 32165), (875, 24813), (919, 23625), (945, 22975), (1125, 19299), (1575, 13785), (2625, 8271), (2757, 7875), (3375, 6433), (4595, 4725)]