21737968

素因数分解:

$2^4\times 7^3\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:279

約数の個数: 80

約数和(自身を含む): 52228800

約数和(自身を除く): 30490832

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 233, 238, 272, 343, 392, 466, 476, 686, 784, 833, 932, 952, 1372, 1631, 1666, 1864, 1904, 2744, 3262, 3332, 3728, 3961, 5488, 5831, 6524, 6664, 7922, 11417, 11662, 13048, 13328, 15844, 22834, 23324, 26096, 27727, 31688, 45668, 46648, 55454, 63376, 79919, 91336, 93296, 110908, 159838, 182672, 194089, 221816, 319676, 388178, 443632, 639352, 776356, 1278704, 1358623, 1552712, 2717246, 3105424, 5434492, 10868984, 21737968]

約数ペア:

[(1, 21737968), (2, 10868984), (4, 5434492), (7, 3105424), (8, 2717246), (14, 1552712), (16, 1358623), (17, 1278704), (28, 776356), (34, 639352), (49, 443632), (56, 388178), (68, 319676), (98, 221816), (112, 194089), (119, 182672), (136, 159838), (196, 110908), (233, 93296), (238, 91336), (272, 79919), (343, 63376), (392, 55454), (466, 46648), (476, 45668), (686, 31688), (784, 27727), (833, 26096), (932, 23324), (952, 22834), (1372, 15844), (1631, 13328), (1666, 13048), (1864, 11662), (1904, 11417), (2744, 7922), (3262, 6664), (3332, 6524), (3728, 5831), (3961, 5488)]