21849250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 44579808

約数和(自身を除く): 22730558

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 85, 97, 106, 125, 170, 194, 250, 265, 425, 485, 530, 850, 901, 970, 1325, 1649, 1802, 2125, 2425, 2650, 3298, 4250, 4505, 4850, 5141, 6625, 8245, 9010, 10282, 12125, 13250, 16490, 22525, 24250, 25705, 41225, 45050, 51410, 82450, 87397, 112625, 128525, 174794, 206125, 225250, 257050, 412250, 436985, 642625, 873970, 1285250, 2184925, 4369850, 10924625, 21849250]

約数ペア:

[(1, 21849250), (2, 10924625), (5, 4369850), (10, 2184925), (17, 1285250), (25, 873970), (34, 642625), (50, 436985), (53, 412250), (85, 257050), (97, 225250), (106, 206125), (125, 174794), (170, 128525), (194, 112625), (250, 87397), (265, 82450), (425, 51410), (485, 45050), (530, 41225), (850, 25705), (901, 24250), (970, 22525), (1325, 16490), (1649, 13250), (1802, 12125), (2125, 10282), (2425, 9010), (2650, 8245), (3298, 6625), (4250, 5141), (4505, 4850)]