21272893240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2267}}^1\times {\mathrm{12347}}^1$

素因数の和:14644

約数の個数: 64

約数和(自身を含む): 50409475200

約数和(自身を除く): 29136581960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2267, 4534, 9068, 11335, 12347, 18136, 22670, 24694, 43073, 45340, 49388, 61735, 86146, 90680, 98776, 123470, 172292, 215365, 234593, 246940, 344584, 430730, 469186, 493880, 861460, 938372, 1172965, 1722920, 1876744, 2345930, 4691860, 9383720, 27990649, 55981298, 111962596, 139953245, 223925192, 279906490, 531822331, 559812980, 1063644662, 1119625960, 2127289324, 2659111655, 4254578648, 5318223310, 10636446620, 21272893240]

約数ペア:

[(1, 21272893240), (2, 10636446620), (4, 5318223310), (5, 4254578648), (8, 2659111655), (10, 2127289324), (19, 1119625960), (20, 1063644662), (38, 559812980), (40, 531822331), (76, 279906490), (95, 223925192), (152, 139953245), (190, 111962596), (380, 55981298), (760, 27990649), (2267, 9383720), (4534, 4691860), (9068, 2345930), (11335, 1876744), (12347, 1722920), (18136, 1172965), (22670, 938372), (24694, 861460), (43073, 493880), (45340, 469186), (49388, 430730), (61735, 344584), (86146, 246940), (90680, 234593), (98776, 215365), (123470, 172292)]