21938328

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9829}}^1$

素因数の和:9872

約数の個数: 48

約数和(自身を含む): 61339200

約数和(自身を除く): 39400872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9829, 19658, 29487, 39316, 58974, 78632, 88461, 117948, 176922, 235896, 304699, 353844, 609398, 707688, 914097, 1218796, 1828194, 2437592, 2742291, 3656388, 5484582, 7312776, 10969164, 21938328]

約数ペア:

[(1, 21938328), (2, 10969164), (3, 7312776), (4, 5484582), (6, 3656388), (8, 2742291), (9, 2437592), (12, 1828194), (18, 1218796), (24, 914097), (31, 707688), (36, 609398), (62, 353844), (72, 304699), (93, 235896), (124, 176922), (186, 117948), (248, 88461), (279, 78632), (372, 58974), (558, 39316), (744, 29487), (1116, 19658), (2232, 9829)]