21966880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 57153600

約数和(自身を除く): 35186720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 65, 80, 104, 118, 130, 160, 179, 208, 236, 260, 295, 358, 416, 472, 520, 590, 716, 767, 895, 944, 1040, 1180, 1432, 1534, 1790, 1888, 2080, 2327, 2360, 2864, 3068, 3580, 3835, 4654, 4720, 5728, 6136, 7160, 7670, 9308, 9440, 10561, 11635, 12272, 14320, 15340, 18616, 21122, 23270, 24544, 28640, 30680, 37232, 42244, 46540, 52805, 61360, 74464, 84488, 93080, 105610, 122720, 137293, 168976, 186160, 211220, 274586, 337952, 372320, 422440, 549172, 686465, 844880, 1098344, 1372930, 1689760, 2196688, 2745860, 4393376, 5491720, 10983440, 21966880]

約数ペア:

[(1, 21966880), (2, 10983440), (4, 5491720), (5, 4393376), (8, 2745860), (10, 2196688), (13, 1689760), (16, 1372930), (20, 1098344), (26, 844880), (32, 686465), (40, 549172), (52, 422440), (59, 372320), (65, 337952), (80, 274586), (104, 211220), (118, 186160), (130, 168976), (160, 137293), (179, 122720), (208, 105610), (236, 93080), (260, 84488), (295, 74464), (358, 61360), (416, 52805), (472, 46540), (520, 42244), (590, 37232), (716, 30680), (767, 28640), (895, 24544), (944, 23270), (1040, 21122), (1180, 18616), (1432, 15340), (1534, 14320), (1790, 12272), (1888, 11635), (2080, 10561), (2327, 9440), (2360, 9308), (2864, 7670), (3068, 7160), (3580, 6136), (3835, 5728), (4654, 4720)]