21529300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16561}}^1$

素因数の和:16588

約数の個数: 36

約数和(自身を含む): 50315356

約数和(自身を除く): 28786056

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 16561, 33122, 66244, 82805, 165610, 215293, 331220, 414025, 430586, 828050, 861172, 1076465, 1656100, 2152930, 4305860, 5382325, 10764650, 21529300]

約数ペア:

[(1, 21529300), (2, 10764650), (4, 5382325), (5, 4305860), (10, 2152930), (13, 1656100), (20, 1076465), (25, 861172), (26, 828050), (50, 430586), (52, 414025), (65, 331220), (100, 215293), (130, 165610), (260, 82805), (325, 66244), (650, 33122), (1300, 16561)]