21190218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2111}}^1$

素因数の和:2362

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 27470262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 239, 478, 717, 1434, 1673, 2111, 3346, 4222, 5019, 6333, 10038, 12666, 14777, 29554, 44331, 88662, 504529, 1009058, 1513587, 3027174, 3531703, 7063406, 10595109, 21190218]

約数ペア:

[(1, 21190218), (2, 10595109), (3, 7063406), (6, 3531703), (7, 3027174), (14, 1513587), (21, 1009058), (42, 504529), (239, 88662), (478, 44331), (717, 29554), (1434, 14777), (1673, 12666), (2111, 10038), (3346, 6333), (4222, 5019)]