21605387320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{35149}}^1$

素因数の和:35309

約数の個数: 96

約数和(自身を含む): 53855424000

約数和(自身を除く): 32250036680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 127, 220, 242, 254, 440, 484, 508, 605, 635, 968, 1016, 1210, 1270, 1397, 2420, 2540, 2794, 4840, 5080, 5588, 6985, 11176, 13970, 15367, 27940, 30734, 35149, 55880, 61468, 70298, 76835, 122936, 140596, 153670, 175745, 281192, 307340, 351490, 386639, 614680, 702980, 773278, 1405960, 1546556, 1933195, 3093112, 3866390, 4253029, 4463923, 7732780, 8506058, 8927846, 15465560, 17012116, 17855692, 21265145, 22319615, 34024232, 35711384, 42530290, 44639230, 49103153, 85060580, 89278460, 98206306, 170121160, 178556920, 196412612, 245515765, 392825224, 491031530, 540134683, 982063060, 1080269366, 1964126120, 2160538732, 2700673415, 4321077464, 5401346830, 10802693660, 21605387320]

約数ペア:

[(1, 21605387320), (2, 10802693660), (4, 5401346830), (5, 4321077464), (8, 2700673415), (10, 2160538732), (11, 1964126120), (20, 1080269366), (22, 982063060), (40, 540134683), (44, 491031530), (55, 392825224), (88, 245515765), (110, 196412612), (121, 178556920), (127, 170121160), (220, 98206306), (242, 89278460), (254, 85060580), (440, 49103153), (484, 44639230), (508, 42530290), (605, 35711384), (635, 34024232), (968, 22319615), (1016, 21265145), (1210, 17855692), (1270, 17012116), (1397, 15465560), (2420, 8927846), (2540, 8506058), (2794, 7732780), (4840, 4463923), (5080, 4253029), (5588, 3866390), (6985, 3093112), (11176, 1933195), (13970, 1546556), (15367, 1405960), (27940, 773278), (30734, 702980), (35149, 614680), (55880, 386639), (61468, 351490), (70298, 307340), (76835, 281192), (122936, 175745), (140596, 153670)]