21864858

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 27901542

約数列:

[1, 2, 3, 6, 19, 23, 31, 38, 46, 57, 62, 69, 93, 114, 138, 186, 269, 437, 538, 589, 713, 807, 874, 1178, 1311, 1426, 1614, 1767, 2139, 2622, 3534, 4278, 5111, 6187, 8339, 10222, 12374, 13547, 15333, 16678, 18561, 25017, 27094, 30666, 37122, 40641, 50034, 81282, 117553, 158441, 191797, 235106, 316882, 352659, 383594, 475323, 575391, 705318, 950646, 1150782, 3644143, 7288286, 10932429, 21864858]

約数ペア:

[(1, 21864858), (2, 10932429), (3, 7288286), (6, 3644143), (19, 1150782), (23, 950646), (31, 705318), (38, 575391), (46, 475323), (57, 383594), (62, 352659), (69, 316882), (93, 235106), (114, 191797), (138, 158441), (186, 117553), (269, 81282), (437, 50034), (538, 40641), (589, 37122), (713, 30666), (807, 27094), (874, 25017), (1178, 18561), (1311, 16678), (1426, 15333), (1614, 13547), (1767, 12374), (2139, 10222), (2622, 8339), (3534, 6187), (4278, 5111)]