21358492090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{152267}}^1$

素因数の和:152383

約数の個数: 48

約数和(自身を含む): 42131946528

約数和(自身を除く): 20773454438

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 169, 338, 415, 830, 845, 1079, 1690, 2158, 5395, 10790, 14027, 28054, 70135, 140270, 152267, 304534, 761335, 1522670, 1979471, 3958942, 9897355, 12638161, 19794710, 25276322, 25733123, 51466246, 63190805, 126381610, 128665615, 164296093, 257331230, 328592186, 821480465, 1642960930, 2135849209, 4271698418, 10679246045, 21358492090]

約数ペア:

[(1, 21358492090), (2, 10679246045), (5, 4271698418), (10, 2135849209), (13, 1642960930), (26, 821480465), (65, 328592186), (83, 257331230), (130, 164296093), (166, 128665615), (169, 126381610), (338, 63190805), (415, 51466246), (830, 25733123), (845, 25276322), (1079, 19794710), (1690, 12638161), (2158, 9897355), (5395, 3958942), (10790, 1979471), (14027, 1522670), (28054, 761335), (70135, 304534), (140270, 152267)]