21667698

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 54512640

約数和(自身を除く): 32844942

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 31, 39, 58, 62, 78, 87, 93, 103, 117, 174, 186, 206, 234, 261, 279, 309, 377, 403, 522, 558, 618, 754, 806, 899, 927, 1131, 1209, 1339, 1798, 1854, 2262, 2418, 2678, 2697, 2987, 3193, 3393, 3627, 4017, 5394, 5974, 6386, 6786, 7254, 8034, 8091, 8961, 9579, 11687, 12051, 16182, 17922, 19158, 23374, 24102, 26883, 28737, 35061, 38831, 41509, 53766, 57474, 70122, 77662, 83018, 92597, 105183, 116493, 124527, 185194, 210366, 232986, 249054, 277791, 349479, 373581, 555582, 698958, 747162, 833373, 1203761, 1666746, 2407522, 3611283, 7222566, 10833849, 21667698]

約数ペア:

[(1, 21667698), (2, 10833849), (3, 7222566), (6, 3611283), (9, 2407522), (13, 1666746), (18, 1203761), (26, 833373), (29, 747162), (31, 698958), (39, 555582), (58, 373581), (62, 349479), (78, 277791), (87, 249054), (93, 232986), (103, 210366), (117, 185194), (174, 124527), (186, 116493), (206, 105183), (234, 92597), (261, 83018), (279, 77662), (309, 70122), (377, 57474), (403, 53766), (522, 41509), (558, 38831), (618, 35061), (754, 28737), (806, 26883), (899, 24102), (927, 23374), (1131, 19158), (1209, 17922), (1339, 16182), (1798, 12051), (1854, 11687), (2262, 9579), (2418, 8961), (2678, 8091), (2697, 8034), (2987, 7254), (3193, 6786), (3393, 6386), (3627, 5974), (4017, 5394)]