21719200

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1597}}^1$

素因数の和:1634

約数の個数: 72

約数和(自身を含む): 56176092

約数和(自身を除く): 34456892

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 680, 800, 850, 1360, 1597, 1700, 2720, 3194, 3400, 6388, 6800, 7985, 12776, 13600, 15970, 25552, 27149, 31940, 39925, 51104, 54298, 63880, 79850, 108596, 127760, 135745, 159700, 217192, 255520, 271490, 319400, 434384, 542980, 638800, 678725, 868768, 1085960, 1277600, 1357450, 2171920, 2714900, 4343840, 5429800, 10859600, 21719200]

約数ペア:

[(1, 21719200), (2, 10859600), (4, 5429800), (5, 4343840), (8, 2714900), (10, 2171920), (16, 1357450), (17, 1277600), (20, 1085960), (25, 868768), (32, 678725), (34, 638800), (40, 542980), (50, 434384), (68, 319400), (80, 271490), (85, 255520), (100, 217192), (136, 159700), (160, 135745), (170, 127760), (200, 108596), (272, 79850), (340, 63880), (400, 54298), (425, 51104), (544, 39925), (680, 31940), (800, 27149), (850, 25552), (1360, 15970), (1597, 13600), (1700, 12776), (2720, 7985), (3194, 6800), (3400, 6388)]