21660624

素因数分解:

$2^4\times 3^2\times {\mathrm{359}}^1\times {\mathrm{419}}^1$

素因数の和:792

約数の個数: 60

約数和(自身を含む): 60933600

約数和(自身を除く): 39272976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 359, 419, 718, 838, 1077, 1257, 1436, 1676, 2154, 2514, 2872, 3231, 3352, 3771, 4308, 5028, 5744, 6462, 6704, 7542, 8616, 10056, 12924, 15084, 17232, 20112, 25848, 30168, 51696, 60336, 150421, 300842, 451263, 601684, 902526, 1203368, 1353789, 1805052, 2406736, 2707578, 3610104, 5415156, 7220208, 10830312, 21660624]

約数ペア:

[(1, 21660624), (2, 10830312), (3, 7220208), (4, 5415156), (6, 3610104), (8, 2707578), (9, 2406736), (12, 1805052), (16, 1353789), (18, 1203368), (24, 902526), (36, 601684), (48, 451263), (72, 300842), (144, 150421), (359, 60336), (419, 51696), (718, 30168), (838, 25848), (1077, 20112), (1257, 17232), (1436, 15084), (1676, 12924), (2154, 10056), (2514, 8616), (2872, 7542), (3231, 6704), (3352, 6462), (3771, 5744), (4308, 5028)]