21207142098

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{45191}}^1$

素因数の和:45288

約数の個数: 72

約数和(自身を含む): 49124065536

約数和(自身を除く): 27916923438

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 174, 186, 261, 279, 522, 558, 841, 899, 1682, 1798, 2523, 2697, 5046, 5394, 7569, 8091, 15138, 16182, 26071, 45191, 52142, 78213, 90382, 135573, 156426, 234639, 271146, 406719, 469278, 813438, 1310539, 1400921, 2621078, 2801842, 3931617, 4202763, 7863234, 8405526, 11794851, 12608289, 23589702, 25216578, 38005631, 40626709, 76011262, 81253418, 114016893, 121880127, 228033786, 243760254, 342050679, 365640381, 684101358, 731280762, 1178174561, 2356349122, 3534523683, 7069047366, 10603571049, 21207142098]

約数ペア:

[(1, 21207142098), (2, 10603571049), (3, 7069047366), (6, 3534523683), (9, 2356349122), (18, 1178174561), (29, 731280762), (31, 684101358), (58, 365640381), (62, 342050679), (87, 243760254), (93, 228033786), (174, 121880127), (186, 114016893), (261, 81253418), (279, 76011262), (522, 40626709), (558, 38005631), (841, 25216578), (899, 23589702), (1682, 12608289), (1798, 11794851), (2523, 8405526), (2697, 7863234), (5046, 4202763), (5394, 3931617), (7569, 2801842), (8091, 2621078), (15138, 1400921), (16182, 1310539), (26071, 813438), (45191, 469278), (52142, 406719), (78213, 271146), (90382, 234639), (135573, 156426)]