21764925

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1063}}^1$

素因数の和:1099

約数の個数: 72

約数和(自身を含む): 48024704

約数和(自身を除く): 26259779

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 175, 195, 225, 273, 315, 325, 455, 525, 585, 819, 975, 1063, 1365, 1575, 2275, 2925, 3189, 4095, 5315, 6825, 7441, 9567, 13819, 15945, 20475, 22323, 26575, 37205, 41457, 47835, 66969, 69095, 79725, 96733, 111615, 124371, 186025, 207285, 239175, 290199, 334845, 345475, 483665, 558075, 621855, 870597, 1036425, 1450995, 1674225, 2418325, 3109275, 4352985, 7254975, 21764925]

約数ペア:

[(1, 21764925), (3, 7254975), (5, 4352985), (7, 3109275), (9, 2418325), (13, 1674225), (15, 1450995), (21, 1036425), (25, 870597), (35, 621855), (39, 558075), (45, 483665), (63, 345475), (65, 334845), (75, 290199), (91, 239175), (105, 207285), (117, 186025), (175, 124371), (195, 111615), (225, 96733), (273, 79725), (315, 69095), (325, 66969), (455, 47835), (525, 41457), (585, 37205), (819, 26575), (975, 22323), (1063, 20475), (1365, 15945), (1575, 13819), (2275, 9567), (2925, 7441), (3189, 6825), (4095, 5315)]