21920652

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{1201}}^1$

素因数の和:1240

約数の個数: 72

約数和(自身を含む): 61590480

約数和(自身を除く): 39669828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 338, 351, 468, 507, 676, 702, 1014, 1201, 1404, 1521, 2028, 2402, 3042, 3603, 4563, 4804, 6084, 7206, 9126, 10809, 14412, 15613, 18252, 21618, 31226, 32427, 43236, 46839, 62452, 64854, 93678, 129708, 140517, 187356, 202969, 281034, 405938, 421551, 562068, 608907, 811876, 843102, 1217814, 1686204, 1826721, 2435628, 3653442, 5480163, 7306884, 10960326, 21920652]

約数ペア:

[(1, 21920652), (2, 10960326), (3, 7306884), (4, 5480163), (6, 3653442), (9, 2435628), (12, 1826721), (13, 1686204), (18, 1217814), (26, 843102), (27, 811876), (36, 608907), (39, 562068), (52, 421551), (54, 405938), (78, 281034), (108, 202969), (117, 187356), (156, 140517), (169, 129708), (234, 93678), (338, 64854), (351, 62452), (468, 46839), (507, 43236), (676, 32427), (702, 31226), (1014, 21618), (1201, 18252), (1404, 15613), (1521, 14412), (2028, 10809), (2402, 9126), (3042, 7206), (3603, 6084), (4563, 4804)]