21118141120

素因数分解:

$2^6\times 5^1\times {\mathrm{271}}^1\times {\mathrm{243521}}^1$

素因数の和:243809

約数の個数: 56

約数和(自身を含む): 50473343808

約数和(自身を除く): 29355202688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 271, 320, 542, 1084, 1355, 2168, 2710, 4336, 5420, 8672, 10840, 17344, 21680, 43360, 86720, 243521, 487042, 974084, 1217605, 1948168, 2435210, 3896336, 4870420, 7792672, 9740840, 15585344, 19481680, 38963360, 65994191, 77926720, 131988382, 263976764, 329970955, 527953528, 659941910, 1055907056, 1319883820, 2111814112, 2639767640, 4223628224, 5279535280, 10559070560, 21118141120]

約数ペア:

[(1, 21118141120), (2, 10559070560), (4, 5279535280), (5, 4223628224), (8, 2639767640), (10, 2111814112), (16, 1319883820), (20, 1055907056), (32, 659941910), (40, 527953528), (64, 329970955), (80, 263976764), (160, 131988382), (271, 77926720), (320, 65994191), (542, 38963360), (1084, 19481680), (1355, 15585344), (2168, 9740840), (2710, 7792672), (4336, 4870420), (5420, 3896336), (8672, 2435210), (10840, 1948168), (17344, 1217605), (21680, 974084), (43360, 487042), (86720, 243521)]