21371200

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 126

約数和(自身を含む): 56999886

約数和(自身を除く): 35628686

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 37, 38, 40, 50, 64, 74, 76, 80, 95, 100, 148, 152, 160, 185, 190, 200, 296, 304, 320, 361, 370, 380, 400, 475, 592, 608, 703, 722, 740, 760, 800, 925, 950, 1184, 1216, 1406, 1444, 1480, 1520, 1600, 1805, 1850, 1900, 2368, 2812, 2888, 2960, 3040, 3515, 3610, 3700, 3800, 5624, 5776, 5920, 6080, 7030, 7220, 7400, 7600, 9025, 11248, 11552, 11840, 13357, 14060, 14440, 14800, 15200, 17575, 18050, 22496, 23104, 26714, 28120, 28880, 29600, 30400, 35150, 36100, 44992, 53428, 56240, 57760, 59200, 66785, 70300, 72200, 106856, 112480, 115520, 133570, 140600, 144400, 213712, 224960, 267140, 281200, 288800, 333925, 427424, 534280, 562400, 577600, 667850, 854848, 1068560, 1124800, 1335700, 2137120, 2671400, 4274240, 5342800, 10685600, 21371200]

約数ペア:

[(1, 21371200), (2, 10685600), (4, 5342800), (5, 4274240), (8, 2671400), (10, 2137120), (16, 1335700), (19, 1124800), (20, 1068560), (25, 854848), (32, 667850), (37, 577600), (38, 562400), (40, 534280), (50, 427424), (64, 333925), (74, 288800), (76, 281200), (80, 267140), (95, 224960), (100, 213712), (148, 144400), (152, 140600), (160, 133570), (185, 115520), (190, 112480), (200, 106856), (296, 72200), (304, 70300), (320, 66785), (361, 59200), (370, 57760), (380, 56240), (400, 53428), (475, 44992), (592, 36100), (608, 35150), (703, 30400), (722, 29600), (740, 28880), (760, 28120), (800, 26714), (925, 23104), (950, 22496), (1184, 18050), (1216, 17575), (1406, 15200), (1444, 14800), (1480, 14440), (1520, 14060), (1600, 13357), (1805, 11840), (1850, 11552), (1900, 11248), (2368, 9025), (2812, 7600), (2888, 7400), (2960, 7220), (3040, 7030), (3515, 6080), (3610, 5920), (3700, 5776), (3800, 5624)]