21736760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 52941600

約数和(自身を除く): 31204840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 773, 1406, 1480, 1546, 2812, 3092, 3515, 3865, 5624, 6184, 7030, 7730, 14060, 14687, 15460, 28120, 28601, 29374, 30920, 57202, 58748, 73435, 114404, 117496, 143005, 146870, 228808, 286010, 293740, 543419, 572020, 587480, 1086838, 1144040, 2173676, 2717095, 4347352, 5434190, 10868380, 21736760]

約数ペア:

[(1, 21736760), (2, 10868380), (4, 5434190), (5, 4347352), (8, 2717095), (10, 2173676), (19, 1144040), (20, 1086838), (37, 587480), (38, 572020), (40, 543419), (74, 293740), (76, 286010), (95, 228808), (148, 146870), (152, 143005), (185, 117496), (190, 114404), (296, 73435), (370, 58748), (380, 57202), (703, 30920), (740, 29374), (760, 28601), (773, 28120), (1406, 15460), (1480, 14687), (1546, 14060), (2812, 7730), (3092, 7030), (3515, 6184), (3865, 5624)]