21567338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 36191232

約数和(自身を除く): 14623894

約数列:

[1, 2, 13, 26, 43, 86, 101, 191, 202, 382, 559, 1118, 1313, 2483, 2626, 4343, 4966, 8213, 8686, 16426, 19291, 38582, 56459, 106769, 112918, 213538, 250783, 501566, 829513, 1659026, 10783669, 21567338]

約数ペア:

[(1, 21567338), (2, 10783669), (13, 1659026), (26, 829513), (43, 501566), (86, 250783), (101, 213538), (191, 112918), (202, 106769), (382, 56459), (559, 38582), (1118, 19291), (1313, 16426), (2483, 8686), (2626, 8213), (4343, 4966)]