21248164

素因数分解:

$2^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{911}}^1$

素因数の和:953

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 24716636

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 343, 476, 686, 833, 911, 1372, 1666, 1822, 3332, 3644, 5831, 6377, 11662, 12754, 15487, 23324, 25508, 30974, 44639, 61948, 89278, 108409, 178556, 216818, 312473, 433636, 624946, 758863, 1249892, 1517726, 3035452, 5312041, 10624082, 21248164]

約数ペア:

[(1, 21248164), (2, 10624082), (4, 5312041), (7, 3035452), (14, 1517726), (17, 1249892), (28, 758863), (34, 624946), (49, 433636), (68, 312473), (98, 216818), (119, 178556), (196, 108409), (238, 89278), (343, 61948), (476, 44639), (686, 30974), (833, 25508), (911, 23324), (1372, 15487), (1666, 12754), (1822, 11662), (3332, 6377), (3644, 5831)]