21704410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 53996544

約数和(自身を除く): 32292134

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 23, 26, 34, 35, 46, 61, 65, 70, 85, 91, 115, 119, 122, 130, 161, 170, 182, 221, 230, 238, 299, 305, 322, 391, 427, 442, 455, 595, 598, 610, 782, 793, 805, 854, 910, 1037, 1105, 1190, 1403, 1495, 1547, 1586, 1610, 1955, 2074, 2093, 2135, 2210, 2737, 2806, 2990, 3094, 3910, 3965, 4186, 4270, 5083, 5185, 5474, 5551, 7015, 7259, 7735, 7930, 9821, 10166, 10370, 10465, 11102, 13481, 13685, 14030, 14518, 15470, 18239, 19642, 20930, 23851, 25415, 26962, 27370, 27755, 35581, 36295, 36478, 47702, 49105, 50830, 55510, 67405, 71162, 72590, 91195, 94367, 98210, 119255, 127673, 134810, 166957, 177905, 182390, 188734, 238510, 255346, 310063, 333914, 355810, 471835, 620126, 638365, 834785, 943670, 1276730, 1550315, 1669570, 2170441, 3100630, 4340882, 10852205, 21704410]

約数ペア:

[(1, 21704410), (2, 10852205), (5, 4340882), (7, 3100630), (10, 2170441), (13, 1669570), (14, 1550315), (17, 1276730), (23, 943670), (26, 834785), (34, 638365), (35, 620126), (46, 471835), (61, 355810), (65, 333914), (70, 310063), (85, 255346), (91, 238510), (115, 188734), (119, 182390), (122, 177905), (130, 166957), (161, 134810), (170, 127673), (182, 119255), (221, 98210), (230, 94367), (238, 91195), (299, 72590), (305, 71162), (322, 67405), (391, 55510), (427, 50830), (442, 49105), (455, 47702), (595, 36478), (598, 36295), (610, 35581), (782, 27755), (793, 27370), (805, 26962), (854, 25415), (910, 23851), (1037, 20930), (1105, 19642), (1190, 18239), (1403, 15470), (1495, 14518), (1547, 14030), (1586, 13685), (1610, 13481), (1955, 11102), (2074, 10465), (2093, 10370), (2135, 10166), (2210, 9821), (2737, 7930), (2806, 7735), (2990, 7259), (3094, 7015), (3910, 5551), (3965, 5474), (4186, 5185), (4270, 5083)]