21542910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:877

約数の個数: 64

約数和(自身を含む): 55847232

約数和(自身を除く): 34304322

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 53, 85, 102, 106, 159, 170, 255, 265, 318, 510, 530, 795, 797, 901, 1590, 1594, 1802, 2391, 2703, 3985, 4505, 4782, 5406, 7970, 9010, 11955, 13515, 13549, 23910, 27030, 27098, 40647, 42241, 67745, 81294, 84482, 126723, 135490, 203235, 211205, 253446, 406470, 422410, 633615, 718097, 1267230, 1436194, 2154291, 3590485, 4308582, 7180970, 10771455, 21542910]

約数ペア:

[(1, 21542910), (2, 10771455), (3, 7180970), (5, 4308582), (6, 3590485), (10, 2154291), (15, 1436194), (17, 1267230), (30, 718097), (34, 633615), (51, 422410), (53, 406470), (85, 253446), (102, 211205), (106, 203235), (159, 135490), (170, 126723), (255, 84482), (265, 81294), (318, 67745), (510, 42241), (530, 40647), (795, 27098), (797, 27030), (901, 23910), (1590, 13549), (1594, 13515), (1802, 11955), (2391, 9010), (2703, 7970), (3985, 5406), (4505, 4782)]