21961368

素因数分解:

$2^3\times 3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:124

約数の個数: 192

約数和(自身を含む): 73382400

約数和(自身を除く): 51421032

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 27, 33, 36, 39, 44, 52, 54, 66, 72, 78, 79, 81, 88, 99, 104, 108, 117, 132, 143, 156, 158, 162, 198, 216, 234, 237, 243, 264, 286, 297, 312, 316, 324, 351, 396, 429, 468, 474, 486, 572, 594, 632, 648, 702, 711, 792, 858, 869, 891, 936, 948, 972, 1027, 1053, 1144, 1188, 1287, 1404, 1422, 1716, 1738, 1782, 1896, 1944, 2054, 2106, 2133, 2376, 2574, 2607, 2673, 2808, 2844, 3081, 3159, 3432, 3476, 3564, 3861, 4108, 4212, 4266, 5148, 5214, 5346, 5688, 6162, 6318, 6399, 6952, 7128, 7722, 7821, 8216, 8424, 8532, 9243, 10296, 10428, 10692, 11297, 11583, 12324, 12636, 12798, 15444, 15642, 17064, 18486, 19197, 20856, 21384, 22594, 23166, 23463, 24648, 25272, 25596, 27729, 30888, 31284, 33891, 34749, 36972, 38394, 45188, 46332, 46926, 51192, 55458, 62568, 67782, 69498, 70389, 73944, 76788, 83187, 90376, 92664, 93852, 101673, 110916, 135564, 138996, 140778, 153576, 166374, 187704, 203346, 211167, 221832, 249561, 271128, 277992, 281556, 305019, 332748, 406692, 422334, 499122, 563112, 610038, 665496, 813384, 844668, 915057, 998244, 1220076, 1689336, 1830114, 1996488, 2440152, 2745171, 3660228, 5490342, 7320456, 10980684, 21961368]

約数ペア:

[(1, 21961368), (2, 10980684), (3, 7320456), (4, 5490342), (6, 3660228), (8, 2745171), (9, 2440152), (11, 1996488), (12, 1830114), (13, 1689336), (18, 1220076), (22, 998244), (24, 915057), (26, 844668), (27, 813384), (33, 665496), (36, 610038), (39, 563112), (44, 499122), (52, 422334), (54, 406692), (66, 332748), (72, 305019), (78, 281556), (79, 277992), (81, 271128), (88, 249561), (99, 221832), (104, 211167), (108, 203346), (117, 187704), (132, 166374), (143, 153576), (156, 140778), (158, 138996), (162, 135564), (198, 110916), (216, 101673), (234, 93852), (237, 92664), (243, 90376), (264, 83187), (286, 76788), (297, 73944), (312, 70389), (316, 69498), (324, 67782), (351, 62568), (396, 55458), (429, 51192), (468, 46926), (474, 46332), (486, 45188), (572, 38394), (594, 36972), (632, 34749), (648, 33891), (702, 31284), (711, 30888), (792, 27729), (858, 25596), (869, 25272), (891, 24648), (936, 23463), (948, 23166), (972, 22594), (1027, 21384), (1053, 20856), (1144, 19197), (1188, 18486), (1287, 17064), (1404, 15642), (1422, 15444), (1716, 12798), (1738, 12636), (1782, 12324), (1896, 11583), (1944, 11297), (2054, 10692), (2106, 10428), (2133, 10296), (2376, 9243), (2574, 8532), (2607, 8424), (2673, 8216), (2808, 7821), (2844, 7722), (3081, 7128), (3159, 6952), (3432, 6399), (3476, 6318), (3564, 6162), (3861, 5688), (4108, 5346), (4212, 5214), (4266, 5148)]