21950970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1097}}^1$

素因数の和:1159

約数の個数: 64

約数和(自身を含む): 56920320

約数和(自身を除く): 34969350

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 115, 138, 145, 174, 230, 290, 345, 435, 667, 690, 870, 1097, 1334, 2001, 2194, 3291, 3335, 4002, 5485, 6582, 6670, 10005, 10970, 16455, 20010, 25231, 31813, 32910, 50462, 63626, 75693, 95439, 126155, 151386, 159065, 190878, 252310, 318130, 378465, 477195, 731699, 756930, 954390, 1463398, 2195097, 3658495, 4390194, 7316990, 10975485, 21950970]

約数ペア:

[(1, 21950970), (2, 10975485), (3, 7316990), (5, 4390194), (6, 3658495), (10, 2195097), (15, 1463398), (23, 954390), (29, 756930), (30, 731699), (46, 477195), (58, 378465), (69, 318130), (87, 252310), (115, 190878), (138, 159065), (145, 151386), (174, 126155), (230, 95439), (290, 75693), (345, 63626), (435, 50462), (667, 32910), (690, 31813), (870, 25231), (1097, 20010), (1334, 16455), (2001, 10970), (2194, 10005), (3291, 6670), (3335, 6582), (4002, 5485)]