21434348540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{294347}}^1$

素因数の和:294698

約数の個数: 48

約数和(自身を含む): 49252662144

約数和(自身を除く): 27818313604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331, 662, 1324, 1655, 3310, 3641, 6620, 7282, 14564, 18205, 36410, 72820, 294347, 588694, 1177388, 1471735, 2943470, 3237817, 5886940, 6475634, 12951268, 16189085, 32378170, 64756340, 97428857, 194857714, 389715428, 487144285, 974288570, 1071717427, 1948577140, 2143434854, 4286869708, 5358587135, 10717174270, 21434348540]

約数ペア:

[(1, 21434348540), (2, 10717174270), (4, 5358587135), (5, 4286869708), (10, 2143434854), (11, 1948577140), (20, 1071717427), (22, 974288570), (44, 487144285), (55, 389715428), (110, 194857714), (220, 97428857), (331, 64756340), (662, 32378170), (1324, 16189085), (1655, 12951268), (3310, 6475634), (3641, 5886940), (6620, 3237817), (7282, 2943470), (14564, 1471735), (18205, 1177388), (36410, 588694), (72820, 294347)]