21620898

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 54499200

約数和(自身を除く): 32878302

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 114, 117, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1482, 1621, 2223, 3242, 4446, 4863, 6669, 9726, 13338, 14589, 21073, 29178, 30799, 42146, 43767, 61598, 63219, 87534, 92397, 126438, 184794, 189657, 277191, 379314, 400387, 554382, 568971, 800774, 831573, 1137942, 1201161, 1663146, 2402322, 3603483, 7206966, 10810449, 21620898]

約数ペア:

[(1, 21620898), (2, 10810449), (3, 7206966), (6, 3603483), (9, 2402322), (13, 1663146), (18, 1201161), (19, 1137942), (26, 831573), (27, 800774), (38, 568971), (39, 554382), (54, 400387), (57, 379314), (78, 277191), (114, 189657), (117, 184794), (171, 126438), (234, 92397), (247, 87534), (342, 63219), (351, 61598), (494, 43767), (513, 42146), (702, 30799), (741, 29178), (1026, 21073), (1482, 14589), (1621, 13338), (2223, 9726), (3242, 6669), (4446, 4863)]