21589290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2473}}^1$

素因数の和:2583

約数の個数: 48

約数和(自身を含む): 56733768

約数和(自身を除く): 35144478

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2473, 2910, 4365, 4946, 7419, 8730, 12365, 14838, 22257, 24730, 37095, 44514, 74190, 111285, 222570, 239881, 479762, 719643, 1199405, 1439286, 2158929, 2398810, 3598215, 4317858, 7196430, 10794645, 21589290]

約数ペア:

[(1, 21589290), (2, 10794645), (3, 7196430), (5, 4317858), (6, 3598215), (9, 2398810), (10, 2158929), (15, 1439286), (18, 1199405), (30, 719643), (45, 479762), (90, 239881), (97, 222570), (194, 111285), (291, 74190), (485, 44514), (582, 37095), (873, 24730), (970, 22257), (1455, 14838), (1746, 12365), (2473, 8730), (2910, 7419), (4365, 4946)]