21229296

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1350

約数の個数: 80

約数和(自身を含む): 61805568

約数和(自身を除く): 40576272

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1297, 1364, 1488, 2046, 2594, 2728, 3891, 4092, 5188, 5456, 7782, 8184, 10376, 14267, 15564, 16368, 20752, 28534, 31128, 40207, 42801, 57068, 62256, 80414, 85602, 114136, 120621, 160828, 171204, 228272, 241242, 321656, 342408, 442277, 482484, 643312, 684816, 884554, 964968, 1326831, 1769108, 1929936, 2653662, 3538216, 5307324, 7076432, 10614648, 21229296]

約数ペア:

[(1, 21229296), (2, 10614648), (3, 7076432), (4, 5307324), (6, 3538216), (8, 2653662), (11, 1929936), (12, 1769108), (16, 1326831), (22, 964968), (24, 884554), (31, 684816), (33, 643312), (44, 482484), (48, 442277), (62, 342408), (66, 321656), (88, 241242), (93, 228272), (124, 171204), (132, 160828), (176, 120621), (186, 114136), (248, 85602), (264, 80414), (341, 62256), (372, 57068), (496, 42801), (528, 40207), (682, 31128), (744, 28534), (1023, 20752), (1297, 16368), (1364, 15564), (1488, 14267), (2046, 10376), (2594, 8184), (2728, 7782), (3891, 5456), (4092, 5188)]