21139938224

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{1187}}^1\times {\mathrm{2267}}^1$

素因数の和:3953

約数の個数: 40

約数和(自身を含む): 41094744768

約数和(自身を除く): 19954806544

約数列:

[1, 2, 4, 8, 16, 491, 982, 1187, 1964, 2267, 2374, 3928, 4534, 4748, 7856, 9068, 9496, 18136, 18992, 36272, 582817, 1113097, 1165634, 2226194, 2331268, 2690929, 4452388, 4662536, 5381858, 8904776, 9325072, 10763716, 17809552, 21527432, 43054864, 1321246139, 2642492278, 5284984556, 10569969112, 21139938224]

約数ペア:

[(1, 21139938224), (2, 10569969112), (4, 5284984556), (8, 2642492278), (16, 1321246139), (491, 43054864), (982, 21527432), (1187, 17809552), (1964, 10763716), (2267, 9325072), (2374, 8904776), (3928, 5381858), (4534, 4662536), (4748, 4452388), (7856, 2690929), (9068, 2331268), (9496, 2226194), (18136, 1165634), (18992, 1113097), (36272, 582817)]