21499579010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{2069}}^1$

素因数の和:2716

約数の個数: 128

約数和(自身を含む): 50244364800

約数和(自身を除く): 28744785790

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 601, 665, 910, 1202, 1235, 1330, 1729, 2069, 2470, 3005, 3458, 4138, 4207, 6010, 7813, 8414, 8645, 10345, 11419, 14483, 15626, 17290, 20690, 21035, 22838, 26897, 28966, 39065, 39311, 42070, 53794, 54691, 57095, 72415, 78130, 78622, 79933, 109382, 114190, 134485, 144830, 148447, 159866, 188279, 196555, 268970, 273455, 275177, 296894, 376558, 393110, 399665, 511043, 546910, 550354, 742235, 799330, 941395, 1022086, 1039129, 1243469, 1375885, 1484470, 1882790, 2078258, 2486938, 2555215, 2751770, 3577301, 5110430, 5195645, 6217345, 7154602, 8704283, 10391290, 12434690, 16165097, 17408566, 17886505, 23625911, 32330194, 35773010, 43521415, 47251822, 80825485, 87042830, 113155679, 118129555, 161650970, 165381377, 226311358, 236259110, 307136843, 330762754, 565778395, 614273686, 826906885, 1131556790, 1535684215, 1653813770, 2149957901, 3071368430, 4299915802, 10749789505, 21499579010]

約数ペア:

[(1, 21499579010), (2, 10749789505), (5, 4299915802), (7, 3071368430), (10, 2149957901), (13, 1653813770), (14, 1535684215), (19, 1131556790), (26, 826906885), (35, 614273686), (38, 565778395), (65, 330762754), (70, 307136843), (91, 236259110), (95, 226311358), (130, 165381377), (133, 161650970), (182, 118129555), (190, 113155679), (247, 87042830), (266, 80825485), (455, 47251822), (494, 43521415), (601, 35773010), (665, 32330194), (910, 23625911), (1202, 17886505), (1235, 17408566), (1330, 16165097), (1729, 12434690), (2069, 10391290), (2470, 8704283), (3005, 7154602), (3458, 6217345), (4138, 5195645), (4207, 5110430), (6010, 3577301), (7813, 2751770), (8414, 2555215), (8645, 2486938), (10345, 2078258), (11419, 1882790), (14483, 1484470), (15626, 1375885), (17290, 1243469), (20690, 1039129), (21035, 1022086), (22838, 941395), (26897, 799330), (28966, 742235), (39065, 550354), (39311, 546910), (42070, 511043), (53794, 399665), (54691, 393110), (57095, 376558), (72415, 296894), (78130, 275177), (78622, 273455), (79933, 268970), (109382, 196555), (114190, 188279), (134485, 159866), (144830, 148447)]