21977566

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2617}}^1$

素因数の和:2668

約数の個数: 32

約数和(自身を含む): 39584160

約数和(自身を除く): 17606594

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 2617, 4199, 5234, 8398, 34021, 44489, 49723, 68042, 88978, 99446, 578357, 646399, 845291, 1156714, 1292798, 1690582, 10988783, 21977566]

約数ペア:

[(1, 21977566), (2, 10988783), (13, 1690582), (17, 1292798), (19, 1156714), (26, 845291), (34, 646399), (38, 578357), (221, 99446), (247, 88978), (323, 68042), (442, 49723), (494, 44489), (646, 34021), (2617, 8398), (4199, 5234)]