21120300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:808

約数の個数: 108

約数和(自身を含む): 68426176

約数和(自身を除く): 47305876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 150, 155, 180, 186, 225, 279, 300, 310, 372, 450, 465, 558, 620, 757, 775, 900, 930, 1116, 1395, 1514, 1550, 1860, 2271, 2325, 2790, 3028, 3100, 3785, 4542, 4650, 5580, 6813, 6975, 7570, 9084, 9300, 11355, 13626, 13950, 15140, 18925, 22710, 23467, 27252, 27900, 34065, 37850, 45420, 46934, 56775, 68130, 70401, 75700, 93868, 113550, 117335, 136260, 140802, 170325, 211203, 227100, 234670, 281604, 340650, 352005, 422406, 469340, 586675, 681300, 704010, 844812, 1056015, 1173350, 1408020, 1760025, 2112030, 2346700, 3520050, 4224060, 5280075, 7040100, 10560150, 21120300]

約数ペア:

[(1, 21120300), (2, 10560150), (3, 7040100), (4, 5280075), (5, 4224060), (6, 3520050), (9, 2346700), (10, 2112030), (12, 1760025), (15, 1408020), (18, 1173350), (20, 1056015), (25, 844812), (30, 704010), (31, 681300), (36, 586675), (45, 469340), (50, 422406), (60, 352005), (62, 340650), (75, 281604), (90, 234670), (93, 227100), (100, 211203), (124, 170325), (150, 140802), (155, 136260), (180, 117335), (186, 113550), (225, 93868), (279, 75700), (300, 70401), (310, 68130), (372, 56775), (450, 46934), (465, 45420), (558, 37850), (620, 34065), (757, 27900), (775, 27252), (900, 23467), (930, 22710), (1116, 18925), (1395, 15140), (1514, 13950), (1550, 13626), (1860, 11355), (2271, 9300), (2325, 9084), (2790, 7570), (3028, 6975), (3100, 6813), (3785, 5580), (4542, 4650)]