2021121908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{22637}}^1$

素因数の和:22772

約数の個数: 48

約数和(自身を含む): 4073210064

約数和(自身を除く): 2052088156

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 101, 202, 221, 404, 442, 884, 1313, 1717, 2626, 3434, 5252, 6868, 22321, 22637, 44642, 45274, 89284, 90548, 294281, 384829, 588562, 769658, 1177124, 1539316, 2286337, 4572674, 5002777, 9145348, 10005554, 20011108, 29722381, 38867729, 59444762, 77735458, 118889524, 155470916, 505280477, 1010560954, 2021121908]

約数ペア:

[(1, 2021121908), (2, 1010560954), (4, 505280477), (13, 155470916), (17, 118889524), (26, 77735458), (34, 59444762), (52, 38867729), (68, 29722381), (101, 20011108), (202, 10005554), (221, 9145348), (404, 5002777), (442, 4572674), (884, 2286337), (1313, 1539316), (1717, 1177124), (2626, 769658), (3434, 588562), (5252, 384829), (6868, 294281), (22321, 90548), (22637, 89284), (44642, 45274)]