21269300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16361}}^1$

素因数の和:16388

約数の個数: 36

約数和(自身を含む): 49707756

約数和(自身を除く): 28438456

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 16361, 32722, 65444, 81805, 163610, 212693, 327220, 409025, 425386, 818050, 850772, 1063465, 1636100, 2126930, 4253860, 5317325, 10634650, 21269300]

約数ペア:

[(1, 21269300), (2, 10634650), (4, 5317325), (5, 4253860), (10, 2126930), (13, 1636100), (20, 1063465), (25, 850772), (26, 818050), (50, 425386), (52, 409025), (65, 327220), (100, 212693), (130, 163610), (260, 81805), (325, 65444), (650, 32722), (1300, 16361)]