21478600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1$

素因数の和:791

約数の個数: 96

約数和(自身を含む): 58746240

約数和(自身を除く): 37267640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 130, 143, 200, 220, 260, 275, 286, 325, 440, 520, 550, 572, 650, 715, 751, 1100, 1144, 1300, 1430, 1502, 2200, 2600, 2860, 3004, 3575, 3755, 5720, 6008, 7150, 7510, 8261, 9763, 14300, 15020, 16522, 18775, 19526, 28600, 30040, 33044, 37550, 39052, 41305, 48815, 66088, 75100, 78104, 82610, 97630, 107393, 150200, 165220, 195260, 206525, 214786, 244075, 330440, 390520, 413050, 429572, 488150, 536965, 826100, 859144, 976300, 1073930, 1652200, 1952600, 2147860, 2684825, 4295720, 5369650, 10739300, 21478600]

約数ペア:

[(1, 21478600), (2, 10739300), (4, 5369650), (5, 4295720), (8, 2684825), (10, 2147860), (11, 1952600), (13, 1652200), (20, 1073930), (22, 976300), (25, 859144), (26, 826100), (40, 536965), (44, 488150), (50, 429572), (52, 413050), (55, 390520), (65, 330440), (88, 244075), (100, 214786), (104, 206525), (110, 195260), (130, 165220), (143, 150200), (200, 107393), (220, 97630), (260, 82610), (275, 78104), (286, 75100), (325, 66088), (440, 48815), (520, 41305), (550, 39052), (572, 37550), (650, 33044), (715, 30040), (751, 28600), (1100, 19526), (1144, 18775), (1300, 16522), (1430, 15020), (1502, 14300), (2200, 9763), (2600, 8261), (2860, 7510), (3004, 7150), (3575, 6008), (3755, 5720)]