21268560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3853}}^1$

素因数の和:3892

約数の個数: 80

約数和(自身を含む): 68817024

約数和(自身を除く): 47548464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3853, 5520, 7706, 11559, 15412, 19265, 23118, 30824, 38530, 46236, 57795, 61648, 77060, 88619, 92472, 115590, 154120, 177238, 184944, 231180, 265857, 308240, 354476, 443095, 462360, 531714, 708952, 886190, 924720, 1063428, 1329285, 1417904, 1772380, 2126856, 2658570, 3544760, 4253712, 5317140, 7089520, 10634280, 21268560]

約数ペア:

[(1, 21268560), (2, 10634280), (3, 7089520), (4, 5317140), (5, 4253712), (6, 3544760), (8, 2658570), (10, 2126856), (12, 1772380), (15, 1417904), (16, 1329285), (20, 1063428), (23, 924720), (24, 886190), (30, 708952), (40, 531714), (46, 462360), (48, 443095), (60, 354476), (69, 308240), (80, 265857), (92, 231180), (115, 184944), (120, 177238), (138, 154120), (184, 115590), (230, 92472), (240, 88619), (276, 77060), (345, 61648), (368, 57795), (460, 46236), (552, 38530), (690, 30824), (920, 23118), (1104, 19265), (1380, 15412), (1840, 11559), (2760, 7706), (3853, 5520)]