21200960

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:364

約数の個数: 112

約数和(自身を含む): 58155840

約数和(自身を除く): 36954880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 317, 320, 352, 380, 418, 440, 608, 634, 704, 760, 836, 880, 1045, 1216, 1268, 1520, 1585, 1672, 1760, 2090, 2536, 3040, 3170, 3344, 3487, 3520, 4180, 5072, 6023, 6080, 6340, 6688, 6974, 8360, 10144, 12046, 12680, 13376, 13948, 16720, 17435, 20288, 24092, 25360, 27896, 30115, 33440, 34870, 48184, 50720, 55792, 60230, 66253, 66880, 69740, 96368, 101440, 111584, 120460, 132506, 139480, 192736, 223168, 240920, 265012, 278960, 331265, 385472, 481840, 530024, 557920, 662530, 963680, 1060048, 1115840, 1325060, 1927360, 2120096, 2650120, 4240192, 5300240, 10600480, 21200960]

約数ペア:

[(1, 21200960), (2, 10600480), (4, 5300240), (5, 4240192), (8, 2650120), (10, 2120096), (11, 1927360), (16, 1325060), (19, 1115840), (20, 1060048), (22, 963680), (32, 662530), (38, 557920), (40, 530024), (44, 481840), (55, 385472), (64, 331265), (76, 278960), (80, 265012), (88, 240920), (95, 223168), (110, 192736), (152, 139480), (160, 132506), (176, 120460), (190, 111584), (209, 101440), (220, 96368), (304, 69740), (317, 66880), (320, 66253), (352, 60230), (380, 55792), (418, 50720), (440, 48184), (608, 34870), (634, 33440), (704, 30115), (760, 27896), (836, 25360), (880, 24092), (1045, 20288), (1216, 17435), (1268, 16720), (1520, 13948), (1585, 13376), (1672, 12680), (1760, 12046), (2090, 10144), (2536, 8360), (3040, 6974), (3170, 6688), (3344, 6340), (3487, 6080), (3520, 6023), (4180, 5072)]