21819226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 19984550

約数列:

[1, 2, 11, 13, 22, 23, 26, 31, 46, 62, 107, 143, 214, 253, 286, 299, 341, 403, 506, 598, 682, 713, 806, 1177, 1391, 1426, 2354, 2461, 2782, 3289, 3317, 4433, 4922, 6578, 6634, 7843, 8866, 9269, 15301, 15686, 18538, 27071, 30602, 31993, 36487, 43121, 54142, 63986, 72974, 76291, 86242, 101959, 152582, 203918, 351923, 474331, 703846, 839201, 948662, 991783, 1678402, 1983566, 10909613, 21819226]

約数ペア:

[(1, 21819226), (2, 10909613), (11, 1983566), (13, 1678402), (22, 991783), (23, 948662), (26, 839201), (31, 703846), (46, 474331), (62, 351923), (107, 203918), (143, 152582), (214, 101959), (253, 86242), (286, 76291), (299, 72974), (341, 63986), (403, 54142), (506, 43121), (598, 36487), (682, 31993), (713, 30602), (806, 27071), (1177, 18538), (1391, 15686), (1426, 15301), (2354, 9269), (2461, 8866), (2782, 7843), (3289, 6634), (3317, 6578), (4433, 4922)]