21929770

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 40715136

約数和(自身を除く): 18785366

約数列:

[1, 2, 5, 10, 67, 71, 134, 142, 335, 355, 461, 670, 710, 922, 2305, 4610, 4757, 9514, 23785, 30887, 32731, 47570, 61774, 65462, 154435, 163655, 308870, 327310, 2192977, 4385954, 10964885, 21929770]

約数ペア:

[(1, 21929770), (2, 10964885), (5, 4385954), (10, 2192977), (67, 327310), (71, 308870), (134, 163655), (142, 154435), (335, 65462), (355, 61774), (461, 47570), (670, 32731), (710, 30887), (922, 23785), (2305, 9514), (4610, 4757)]