21905430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 34081770

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 53, 69, 106, 115, 138, 159, 230, 265, 318, 345, 530, 599, 690, 795, 1198, 1219, 1590, 1797, 2438, 2995, 3594, 3657, 5990, 6095, 7314, 8985, 12190, 13777, 17970, 18285, 27554, 31747, 36570, 41331, 63494, 68885, 82662, 95241, 137770, 158735, 190482, 206655, 317470, 413310, 476205, 730181, 952410, 1460362, 2190543, 3650905, 4381086, 7301810, 10952715, 21905430]

約数ペア:

[(1, 21905430), (2, 10952715), (3, 7301810), (5, 4381086), (6, 3650905), (10, 2190543), (15, 1460362), (23, 952410), (30, 730181), (46, 476205), (53, 413310), (69, 317470), (106, 206655), (115, 190482), (138, 158735), (159, 137770), (230, 95241), (265, 82662), (318, 68885), (345, 63494), (530, 41331), (599, 36570), (690, 31747), (795, 27554), (1198, 18285), (1219, 17970), (1590, 13777), (1797, 12190), (2438, 8985), (2995, 7314), (3594, 6095), (3657, 5990)]