21915856360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{761}}^1\times {\mathrm{1361}}^1$

素因数の和:2179

約数の個数: 96

約数和(自身を含む): 51653495880

約数和(自身を除く): 29737639520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 761, 920, 1058, 1361, 1522, 2116, 2645, 2722, 3044, 3805, 4232, 5290, 5444, 6088, 6805, 7610, 10580, 10888, 13610, 15220, 17503, 21160, 27220, 30440, 31303, 35006, 54440, 62606, 70012, 87515, 125212, 140024, 156515, 175030, 250424, 313030, 350060, 402569, 626060, 700120, 719969, 805138, 1035721, 1252120, 1439938, 1610276, 2012845, 2071442, 2879876, 3220552, 3599845, 4025690, 4142884, 5178605, 5759752, 7199690, 8051380, 8285768, 10357210, 14399380, 16102760, 20714420, 23821583, 28798760, 41428840, 47643166, 95286332, 119107915, 190572664, 238215830, 476431660, 547896409, 952863320, 1095792818, 2191585636, 2739482045, 4383171272, 5478964090, 10957928180, 21915856360]

約数ペア:

[(1, 21915856360), (2, 10957928180), (4, 5478964090), (5, 4383171272), (8, 2739482045), (10, 2191585636), (20, 1095792818), (23, 952863320), (40, 547896409), (46, 476431660), (92, 238215830), (115, 190572664), (184, 119107915), (230, 95286332), (460, 47643166), (529, 41428840), (761, 28798760), (920, 23821583), (1058, 20714420), (1361, 16102760), (1522, 14399380), (2116, 10357210), (2645, 8285768), (2722, 8051380), (3044, 7199690), (3805, 5759752), (4232, 5178605), (5290, 4142884), (5444, 4025690), (6088, 3599845), (6805, 3220552), (7610, 2879876), (10580, 2071442), (10888, 2012845), (13610, 1610276), (15220, 1439938), (17503, 1252120), (21160, 1035721), (27220, 805138), (30440, 719969), (31303, 700120), (35006, 626060), (54440, 402569), (62606, 350060), (70012, 313030), (87515, 250424), (125212, 175030), (140024, 156515)]