21309641056

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{177533}}^1$

素因数の和:177596

約数の個数: 72

約数和(自身を含む): 47601836352

約数和(自身を除く): 26292195296

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 121, 124, 176, 242, 248, 341, 352, 484, 496, 682, 968, 992, 1364, 1936, 2728, 3751, 3872, 5456, 7502, 10912, 15004, 30008, 60016, 120032, 177533, 355066, 710132, 1420264, 1952863, 2840528, 3905726, 5503523, 5681056, 7811452, 11007046, 15622904, 21481493, 22014092, 31245808, 42962986, 44028184, 60538753, 62491616, 85925972, 88056368, 121077506, 171851944, 176112736, 242155012, 343703888, 484310024, 665926283, 687407776, 968620048, 1331852566, 1937240096, 2663705132, 5327410264, 10654820528, 21309641056]

約数ペア:

[(1, 21309641056), (2, 10654820528), (4, 5327410264), (8, 2663705132), (11, 1937240096), (16, 1331852566), (22, 968620048), (31, 687407776), (32, 665926283), (44, 484310024), (62, 343703888), (88, 242155012), (121, 176112736), (124, 171851944), (176, 121077506), (242, 88056368), (248, 85925972), (341, 62491616), (352, 60538753), (484, 44028184), (496, 42962986), (682, 31245808), (968, 22014092), (992, 21481493), (1364, 15622904), (1936, 11007046), (2728, 7811452), (3751, 5681056), (3872, 5503523), (5456, 3905726), (7502, 2840528), (10912, 1952863), (15004, 1420264), (30008, 710132), (60016, 355066), (120032, 177533)]