21709014710

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{829}}^1\times {\mathrm{55717}}^1$

素因数の和:56600

約数の個数: 32

約数和(自身を含む): 39956492160

約数和(自身を除く): 18247477450

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 829, 1658, 4145, 8290, 38963, 55717, 77926, 111434, 194815, 278585, 389630, 557170, 2618699, 5237398, 13093495, 26186990, 46189393, 92378786, 230946965, 461893930, 2170901471, 4341802942, 10854507355, 21709014710]

約数ペア:

[(1, 21709014710), (2, 10854507355), (5, 4341802942), (10, 2170901471), (47, 461893930), (94, 230946965), (235, 92378786), (470, 46189393), (829, 26186990), (1658, 13093495), (4145, 5237398), (8290, 2618699), (38963, 557170), (55717, 389630), (77926, 278585), (111434, 194815)]