21192702106

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{1237}}^1$

素因数の和:1727

約数の個数: 48

約数和(自身を含む): 34215522120

約数和(自身を除く): 13022820014

約数列:

[1, 2, 19, 38, 61, 122, 361, 389, 722, 778, 1159, 1237, 2318, 2474, 7391, 14782, 22021, 23503, 23729, 44042, 47006, 47458, 75457, 140429, 150914, 280858, 446557, 450851, 481193, 893114, 901702, 962386, 1433683, 2867366, 8566169, 9142667, 17132338, 18285334, 27239977, 29352773, 54479954, 58705546, 173710673, 347421346, 557702687, 1115405374, 10596351053, 21192702106]

約数ペア:

[(1, 21192702106), (2, 10596351053), (19, 1115405374), (38, 557702687), (61, 347421346), (122, 173710673), (361, 58705546), (389, 54479954), (722, 29352773), (778, 27239977), (1159, 18285334), (1237, 17132338), (2318, 9142667), (2474, 8566169), (7391, 2867366), (14782, 1433683), (22021, 962386), (23503, 901702), (23729, 893114), (44042, 481193), (47006, 450851), (47458, 446557), (75457, 280858), (140429, 150914)]