21370050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{281}}^1$

素因数の和:325

約数の個数: 108

約数和(自身を含む): 62391654

約数和(自身を除く): 41021604

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 169, 195, 225, 234, 281, 325, 338, 390, 450, 507, 562, 585, 650, 843, 845, 975, 1014, 1170, 1405, 1521, 1686, 1690, 1950, 2529, 2535, 2810, 2925, 3042, 3653, 4215, 4225, 5058, 5070, 5850, 7025, 7306, 7605, 8430, 8450, 10959, 12645, 12675, 14050, 15210, 18265, 21075, 21918, 25290, 25350, 32877, 36530, 38025, 42150, 47489, 54795, 63225, 65754, 76050, 91325, 94978, 109590, 126450, 142467, 164385, 182650, 237445, 273975, 284934, 328770, 427401, 474890, 547950, 712335, 821925, 854802, 1187225, 1424670, 1643850, 2137005, 2374450, 3561675, 4274010, 7123350, 10685025, 21370050]

約数ペア:

[(1, 21370050), (2, 10685025), (3, 7123350), (5, 4274010), (6, 3561675), (9, 2374450), (10, 2137005), (13, 1643850), (15, 1424670), (18, 1187225), (25, 854802), (26, 821925), (30, 712335), (39, 547950), (45, 474890), (50, 427401), (65, 328770), (75, 284934), (78, 273975), (90, 237445), (117, 182650), (130, 164385), (150, 142467), (169, 126450), (195, 109590), (225, 94978), (234, 91325), (281, 76050), (325, 65754), (338, 63225), (390, 54795), (450, 47489), (507, 42150), (562, 38025), (585, 36530), (650, 32877), (843, 25350), (845, 25290), (975, 21918), (1014, 21075), (1170, 18265), (1405, 15210), (1521, 14050), (1686, 12675), (1690, 12645), (1950, 10959), (2529, 8450), (2535, 8430), (2810, 7605), (2925, 7306), (3042, 7025), (3653, 5850), (4215, 5070), (4225, 5058)]