21907470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 59292000

約数和(自身を除く): 37384530

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 149, 169, 174, 195, 290, 298, 338, 377, 390, 435, 447, 507, 745, 754, 845, 870, 894, 1014, 1131, 1490, 1690, 1885, 1937, 2235, 2262, 2535, 3770, 3874, 4321, 4470, 4901, 5070, 5655, 5811, 8642, 9685, 9802, 11310, 11622, 12963, 14703, 19370, 21605, 24505, 25181, 25926, 29055, 29406, 43210, 49010, 50362, 56173, 58110, 64815, 73515, 75543, 112346, 125905, 129630, 147030, 151086, 168519, 251810, 280865, 337038, 377715, 561730, 730249, 755430, 842595, 1460498, 1685190, 2190747, 3651245, 4381494, 7302490, 10953735, 21907470]

約数ペア:

[(1, 21907470), (2, 10953735), (3, 7302490), (5, 4381494), (6, 3651245), (10, 2190747), (13, 1685190), (15, 1460498), (26, 842595), (29, 755430), (30, 730249), (39, 561730), (58, 377715), (65, 337038), (78, 280865), (87, 251810), (130, 168519), (145, 151086), (149, 147030), (169, 129630), (174, 125905), (195, 112346), (290, 75543), (298, 73515), (338, 64815), (377, 58110), (390, 56173), (435, 50362), (447, 49010), (507, 43210), (745, 29406), (754, 29055), (845, 25926), (870, 25181), (894, 24505), (1014, 21605), (1131, 19370), (1490, 14703), (1690, 12963), (1885, 11622), (1937, 11310), (2235, 9802), (2262, 9685), (2535, 8642), (3770, 5811), (3874, 5655), (4321, 5070), (4470, 4901)]