211791384

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{420221}}^1$

素因数の和:420240

約数の個数: 48

約数和(自身を含む): 655546320

約数和(自身を除く): 443754936

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 420221, 840442, 1260663, 1680884, 2521326, 2941547, 3361768, 3781989, 5042652, 5883094, 7563978, 8824641, 10085304, 11766188, 15127956, 17649282, 23532376, 26473923, 30255912, 35298564, 52947846, 70597128, 105895692, 211791384]

約数ペア:

[(1, 211791384), (2, 105895692), (3, 70597128), (4, 52947846), (6, 35298564), (7, 30255912), (8, 26473923), (9, 23532376), (12, 17649282), (14, 15127956), (18, 11766188), (21, 10085304), (24, 8824641), (28, 7563978), (36, 5883094), (42, 5042652), (56, 3781989), (63, 3361768), (72, 2941547), (84, 2521326), (126, 1680884), (168, 1260663), (252, 840442), (504, 420221)]