21757554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 37996686

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 37, 39, 42, 63, 74, 78, 91, 111, 117, 126, 182, 222, 234, 259, 273, 333, 359, 481, 518, 546, 666, 718, 777, 819, 962, 1077, 1443, 1554, 1638, 2154, 2331, 2513, 2886, 3231, 3367, 4329, 4662, 4667, 5026, 6462, 6734, 7539, 8658, 9334, 10101, 13283, 14001, 15078, 20202, 22617, 26566, 28002, 30303, 32669, 39849, 42003, 45234, 60606, 65338, 79698, 84006, 92981, 98007, 119547, 172679, 185962, 196014, 239094, 278943, 294021, 345358, 518037, 557886, 588042, 836829, 1036074, 1208753, 1554111, 1673658, 2417506, 3108222, 3626259, 7252518, 10878777, 21757554]

約数ペア:

[(1, 21757554), (2, 10878777), (3, 7252518), (6, 3626259), (7, 3108222), (9, 2417506), (13, 1673658), (14, 1554111), (18, 1208753), (21, 1036074), (26, 836829), (37, 588042), (39, 557886), (42, 518037), (63, 345358), (74, 294021), (78, 278943), (91, 239094), (111, 196014), (117, 185962), (126, 172679), (182, 119547), (222, 98007), (234, 92981), (259, 84006), (273, 79698), (333, 65338), (359, 60606), (481, 45234), (518, 42003), (546, 39849), (666, 32669), (718, 30303), (777, 28002), (819, 26566), (962, 22617), (1077, 20202), (1443, 15078), (1554, 14001), (1638, 13283), (2154, 10101), (2331, 9334), (2513, 8658), (2886, 7539), (3231, 6734), (3367, 6462), (4329, 5026), (4662, 4667)]