21860538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1801}}^1$

素因数の和:1847

約数の個数: 48

約数和(自身を含む): 53108544

約数和(自身を除く): 31248006

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 289, 357, 578, 714, 867, 1734, 1801, 2023, 3602, 4046, 5403, 6069, 10806, 12138, 12607, 25214, 30617, 37821, 61234, 75642, 91851, 183702, 214319, 428638, 520489, 642957, 1040978, 1285914, 1561467, 3122934, 3643423, 7286846, 10930269, 21860538]

約数ペア:

[(1, 21860538), (2, 10930269), (3, 7286846), (6, 3643423), (7, 3122934), (14, 1561467), (17, 1285914), (21, 1040978), (34, 642957), (42, 520489), (51, 428638), (102, 214319), (119, 183702), (238, 91851), (289, 75642), (357, 61234), (578, 37821), (714, 30617), (867, 25214), (1734, 12607), (1801, 12138), (2023, 10806), (3602, 6069), (4046, 5403)]