21723000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:594

約数の個数: 128

約数和(自身を含む): 73120320

約数和(自身を除く): 51397320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 500, 520, 557, 600, 650, 750, 780, 975, 1000, 1114, 1300, 1500, 1560, 1625, 1671, 1950, 2228, 2600, 2785, 3000, 3250, 3342, 3900, 4456, 4875, 5570, 6500, 6684, 7241, 7800, 8355, 9750, 11140, 13000, 13368, 13925, 14482, 16710, 19500, 21723, 22280, 27850, 28964, 33420, 36205, 39000, 41775, 43446, 55700, 57928, 66840, 69625, 72410, 83550, 86892, 108615, 111400, 139250, 144820, 167100, 173784, 181025, 208875, 217230, 278500, 289640, 334200, 362050, 417750, 434460, 543075, 557000, 724100, 835500, 868920, 905125, 1086150, 1448200, 1671000, 1810250, 2172300, 2715375, 3620500, 4344600, 5430750, 7241000, 10861500, 21723000]

約数ペア:

[(1, 21723000), (2, 10861500), (3, 7241000), (4, 5430750), (5, 4344600), (6, 3620500), (8, 2715375), (10, 2172300), (12, 1810250), (13, 1671000), (15, 1448200), (20, 1086150), (24, 905125), (25, 868920), (26, 835500), (30, 724100), (39, 557000), (40, 543075), (50, 434460), (52, 417750), (60, 362050), (65, 334200), (75, 289640), (78, 278500), (100, 217230), (104, 208875), (120, 181025), (125, 173784), (130, 167100), (150, 144820), (156, 139250), (195, 111400), (200, 108615), (250, 86892), (260, 83550), (300, 72410), (312, 69625), (325, 66840), (375, 57928), (390, 55700), (500, 43446), (520, 41775), (557, 39000), (600, 36205), (650, 33420), (750, 28964), (780, 27850), (975, 22280), (1000, 21723), (1114, 19500), (1300, 16710), (1500, 14482), (1560, 13925), (1625, 13368), (1671, 13000), (1950, 11140), (2228, 9750), (2600, 8355), (2785, 7800), (3000, 7241), (3250, 6684), (3342, 6500), (3900, 5570), (4456, 4875)]