21312996

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 55738368

約数和(自身を除く): 34425372

約数列:

[1, 2, 3, 4, 6, 12, 23, 31, 46, 47, 53, 62, 69, 92, 93, 94, 106, 124, 138, 141, 159, 186, 188, 212, 276, 282, 318, 372, 564, 636, 713, 1081, 1219, 1426, 1457, 1643, 2139, 2162, 2438, 2491, 2852, 2914, 3243, 3286, 3657, 4278, 4324, 4371, 4876, 4929, 4982, 5828, 6486, 6572, 7314, 7473, 8556, 8742, 9858, 9964, 12972, 14628, 14946, 17484, 19716, 29892, 33511, 37789, 57293, 67022, 75578, 77221, 100533, 113367, 114586, 134044, 151156, 154442, 171879, 201066, 226734, 229172, 231663, 308884, 343758, 402132, 453468, 463326, 687516, 926652, 1776083, 3552166, 5328249, 7104332, 10656498, 21312996]

約数ペア:

[(1, 21312996), (2, 10656498), (3, 7104332), (4, 5328249), (6, 3552166), (12, 1776083), (23, 926652), (31, 687516), (46, 463326), (47, 453468), (53, 402132), (62, 343758), (69, 308884), (92, 231663), (93, 229172), (94, 226734), (106, 201066), (124, 171879), (138, 154442), (141, 151156), (159, 134044), (186, 114586), (188, 113367), (212, 100533), (276, 77221), (282, 75578), (318, 67022), (372, 57293), (564, 37789), (636, 33511), (713, 29892), (1081, 19716), (1219, 17484), (1426, 14946), (1457, 14628), (1643, 12972), (2139, 9964), (2162, 9858), (2438, 8742), (2491, 8556), (2852, 7473), (2914, 7314), (3243, 6572), (3286, 6486), (3657, 5828), (4278, 4982), (4324, 4929), (4371, 4876)]