21693852018

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{79181}}^1$

素因数の和:79711

約数の個数: 48

約数和(自身を含む): 48619014912

約数和(自身を除く): 26925162894

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 491, 558, 982, 1473, 2946, 4419, 8838, 15221, 30442, 45663, 79181, 91326, 136989, 158362, 237543, 273978, 475086, 712629, 1425258, 2454611, 4909222, 7363833, 14727666, 22091499, 38877871, 44182998, 77755742, 116633613, 233267226, 349900839, 699801678, 1205214001, 2410428002, 3615642003, 7231284006, 10846926009, 21693852018]

約数ペア:

[(1, 21693852018), (2, 10846926009), (3, 7231284006), (6, 3615642003), (9, 2410428002), (18, 1205214001), (31, 699801678), (62, 349900839), (93, 233267226), (186, 116633613), (279, 77755742), (491, 44182998), (558, 38877871), (982, 22091499), (1473, 14727666), (2946, 7363833), (4419, 4909222), (8838, 2454611), (15221, 1425258), (30442, 712629), (45663, 475086), (79181, 273978), (91326, 237543), (136989, 158362)]