21877072

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6301}}^1$

素因数の和:6347

約数の個数: 40

約数和(自身を含む): 50012672

約数和(自身を除く): 28135600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6301, 12602, 25204, 44107, 50408, 88214, 100816, 176428, 195331, 352856, 390662, 705712, 781324, 1367317, 1562648, 2734634, 3125296, 5469268, 10938536, 21877072]

約数ペア:

[(1, 21877072), (2, 10938536), (4, 5469268), (7, 3125296), (8, 2734634), (14, 1562648), (16, 1367317), (28, 781324), (31, 705712), (56, 390662), (62, 352856), (112, 195331), (124, 176428), (217, 100816), (248, 88214), (434, 50408), (496, 44107), (868, 25204), (1736, 12602), (3472, 6301)]