21167019986

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{907}}^1\times {\mathrm{4157}}^1$

素因数の和:5474

約数の個数: 32

約数和(自身を含む): 36425676672

約数和(自身を除く): 15258656686

約数列:

[1, 2, 7, 14, 401, 802, 907, 1814, 2807, 4157, 5614, 6349, 8314, 12698, 29099, 58198, 363707, 727414, 1666957, 2545949, 3333914, 3770399, 5091898, 7540798, 11668699, 23337398, 26392793, 52785586, 1511929999, 3023859998, 10583509993, 21167019986]

約数ペア:

[(1, 21167019986), (2, 10583509993), (7, 3023859998), (14, 1511929999), (401, 52785586), (802, 26392793), (907, 23337398), (1814, 11668699), (2807, 7540798), (4157, 5091898), (5614, 3770399), (6349, 3333914), (8314, 2545949), (12698, 1666957), (29099, 727414), (58198, 363707)]