21715128

素因数分解:

$2^3\times 3^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 160

約数和(自身を含む): 66908160

約数和(自身を除く): 45193032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 31, 36, 46, 47, 54, 62, 69, 72, 81, 92, 93, 94, 108, 124, 138, 141, 162, 184, 186, 188, 207, 216, 248, 276, 279, 282, 324, 372, 376, 414, 423, 552, 558, 564, 621, 648, 713, 744, 828, 837, 846, 1081, 1116, 1128, 1242, 1269, 1426, 1457, 1656, 1674, 1692, 1863, 2139, 2162, 2232, 2484, 2511, 2538, 2852, 2914, 3243, 3348, 3384, 3726, 3807, 4278, 4324, 4371, 4968, 5022, 5076, 5704, 5828, 6417, 6486, 6696, 7452, 7614, 8556, 8648, 8742, 9729, 10044, 10152, 11656, 12834, 12972, 13113, 14904, 15228, 17112, 17484, 19251, 19458, 20088, 25668, 25944, 26226, 29187, 30456, 33511, 34968, 38502, 38916, 39339, 51336, 52452, 57753, 58374, 67022, 77004, 77832, 78678, 87561, 100533, 104904, 115506, 116748, 118017, 134044, 154008, 157356, 175122, 201066, 231012, 233496, 236034, 268088, 301599, 314712, 350244, 402132, 462024, 472068, 603198, 700488, 804264, 904797, 944136, 1206396, 1809594, 2412792, 2714391, 3619188, 5428782, 7238376, 10857564, 21715128]

約数ペア:

[(1, 21715128), (2, 10857564), (3, 7238376), (4, 5428782), (6, 3619188), (8, 2714391), (9, 2412792), (12, 1809594), (18, 1206396), (23, 944136), (24, 904797), (27, 804264), (31, 700488), (36, 603198), (46, 472068), (47, 462024), (54, 402132), (62, 350244), (69, 314712), (72, 301599), (81, 268088), (92, 236034), (93, 233496), (94, 231012), (108, 201066), (124, 175122), (138, 157356), (141, 154008), (162, 134044), (184, 118017), (186, 116748), (188, 115506), (207, 104904), (216, 100533), (248, 87561), (276, 78678), (279, 77832), (282, 77004), (324, 67022), (372, 58374), (376, 57753), (414, 52452), (423, 51336), (552, 39339), (558, 38916), (564, 38502), (621, 34968), (648, 33511), (713, 30456), (744, 29187), (828, 26226), (837, 25944), (846, 25668), (1081, 20088), (1116, 19458), (1128, 19251), (1242, 17484), (1269, 17112), (1426, 15228), (1457, 14904), (1656, 13113), (1674, 12972), (1692, 12834), (1863, 11656), (2139, 10152), (2162, 10044), (2232, 9729), (2484, 8742), (2511, 8648), (2538, 8556), (2852, 7614), (2914, 7452), (3243, 6696), (3348, 6486), (3384, 6417), (3726, 5828), (3807, 5704), (4278, 5076), (4324, 5022), (4371, 4968)]