21738856

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 20355224

約数列:

[1, 2, 4, 8, 41, 82, 164, 191, 328, 347, 382, 694, 764, 1388, 1528, 2776, 7831, 14227, 15662, 28454, 31324, 56908, 62648, 66277, 113816, 132554, 265108, 530216, 2717357, 5434714, 10869428, 21738856]

約数ペア:

[(1, 21738856), (2, 10869428), (4, 5434714), (8, 2717357), (41, 530216), (82, 265108), (164, 132554), (191, 113816), (328, 66277), (347, 62648), (382, 56908), (694, 31324), (764, 28454), (1388, 15662), (1528, 14227), (2776, 7831)]