21760875

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:102

約数の個数: 72

約数和(自身を含む): 42393312

約数和(自身を除く): 20632437

約数列:

[1, 3, 5, 9, 15, 23, 25, 29, 45, 69, 75, 87, 115, 125, 145, 207, 225, 261, 345, 375, 435, 575, 667, 725, 841, 1035, 1125, 1305, 1725, 2001, 2175, 2523, 2875, 3335, 3625, 4205, 5175, 6003, 6525, 7569, 8625, 10005, 10875, 12615, 16675, 19343, 21025, 25875, 30015, 32625, 37845, 50025, 58029, 63075, 83375, 96715, 105125, 150075, 174087, 189225, 250125, 290145, 315375, 483575, 750375, 870435, 946125, 1450725, 2417875, 4352175, 7253625, 21760875]

約数ペア:

[(1, 21760875), (3, 7253625), (5, 4352175), (9, 2417875), (15, 1450725), (23, 946125), (25, 870435), (29, 750375), (45, 483575), (69, 315375), (75, 290145), (87, 250125), (115, 189225), (125, 174087), (145, 150075), (207, 105125), (225, 96715), (261, 83375), (345, 63075), (375, 58029), (435, 50025), (575, 37845), (667, 32625), (725, 30015), (841, 25875), (1035, 21025), (1125, 19343), (1305, 16675), (1725, 12615), (2001, 10875), (2175, 10005), (2523, 8625), (2875, 7569), (3335, 6525), (3625, 6003), (4205, 5175)]