21551824216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1\times {\mathrm{1129}}^1$

素因数の和:1401

約数の個数: 96

約数和(自身を含む): 45242668800

約数和(自身を除く): 23690844584

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 191, 248, 382, 403, 764, 806, 961, 1129, 1528, 1612, 1922, 2258, 2483, 3224, 3844, 4516, 4966, 5921, 7688, 9032, 9932, 11842, 12493, 14677, 19864, 23684, 24986, 29354, 34999, 47368, 49972, 58708, 69998, 76973, 99944, 117416, 139996, 153946, 183551, 215639, 279992, 307892, 367102, 431278, 454987, 615784, 734204, 862556, 909974, 1084969, 1468408, 1725112, 1819948, 2169938, 2386163, 2803307, 3639896, 4339876, 4772326, 5606614, 6684809, 8679752, 9544652, 11213228, 13369618, 14104597, 19089304, 22426456, 26739236, 28209194, 53478472, 56418388, 86902517, 112836776, 173805034, 207229079, 347610068, 414458158, 695220136, 828916316, 1657832632, 2693978027, 5387956054, 10775912108, 21551824216]

約数ペア:

[(1, 21551824216), (2, 10775912108), (4, 5387956054), (8, 2693978027), (13, 1657832632), (26, 828916316), (31, 695220136), (52, 414458158), (62, 347610068), (104, 207229079), (124, 173805034), (191, 112836776), (248, 86902517), (382, 56418388), (403, 53478472), (764, 28209194), (806, 26739236), (961, 22426456), (1129, 19089304), (1528, 14104597), (1612, 13369618), (1922, 11213228), (2258, 9544652), (2483, 8679752), (3224, 6684809), (3844, 5606614), (4516, 4772326), (4966, 4339876), (5921, 3639896), (7688, 2803307), (9032, 2386163), (9932, 2169938), (11842, 1819948), (12493, 1725112), (14677, 1468408), (19864, 1084969), (23684, 909974), (24986, 862556), (29354, 734204), (34999, 615784), (47368, 454987), (49972, 431278), (58708, 367102), (69998, 307892), (76973, 279992), (99944, 215639), (117416, 183551), (139996, 153946)]