21761950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 46809504

約数和(自身を除く): 25047554

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 97, 175, 194, 350, 485, 641, 679, 970, 1282, 1358, 2425, 3205, 3395, 4487, 4850, 6410, 6790, 8974, 16025, 16975, 22435, 32050, 33950, 44870, 62177, 112175, 124354, 224350, 310885, 435239, 621770, 870478, 1554425, 2176195, 3108850, 4352390, 10880975, 21761950]

約数ペア:

[(1, 21761950), (2, 10880975), (5, 4352390), (7, 3108850), (10, 2176195), (14, 1554425), (25, 870478), (35, 621770), (50, 435239), (70, 310885), (97, 224350), (175, 124354), (194, 112175), (350, 62177), (485, 44870), (641, 33950), (679, 32050), (970, 22435), (1282, 16975), (1358, 16025), (2425, 8974), (3205, 6790), (3395, 6410), (4487, 4850)]