21006350892

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{7823}}^1$

素因数の和:7929

約数の個数: 144

約数和(自身を含む): 58150471680

約数和(自身を除く): 37144120788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 47, 54, 69, 92, 94, 108, 138, 141, 188, 207, 276, 282, 414, 423, 529, 564, 621, 828, 846, 1058, 1081, 1242, 1269, 1587, 1692, 2116, 2162, 2484, 2538, 3174, 3243, 4324, 4761, 5076, 6348, 6486, 7823, 9522, 9729, 12972, 14283, 15646, 19044, 19458, 23469, 24863, 28566, 29187, 31292, 38916, 46938, 49726, 57132, 58374, 70407, 74589, 93876, 99452, 116748, 140814, 149178, 179929, 211221, 223767, 281628, 298356, 359858, 367681, 422442, 447534, 539787, 671301, 719716, 735362, 844884, 895068, 1079574, 1103043, 1342602, 1470724, 1619361, 2159148, 2206086, 2685204, 3238722, 3309129, 4138367, 4412172, 4858083, 6477444, 6618258, 8276734, 8456663, 9716166, 9927387, 12415101, 13236516, 16553468, 16913326, 19432332, 19854774, 24830202, 25369989, 33826652, 37245303, 39709548, 49660404, 50739978, 74490606, 76109967, 101479956, 111735909, 148981212, 152219934, 194503249, 223471818, 228329901, 304439868, 389006498, 446943636, 456659802, 583509747, 778012996, 913319604, 1167019494, 1750529241, 2334038988, 3501058482, 5251587723, 7002116964, 10503175446, 21006350892]

約数ペア:

[(1, 21006350892), (2, 10503175446), (3, 7002116964), (4, 5251587723), (6, 3501058482), (9, 2334038988), (12, 1750529241), (18, 1167019494), (23, 913319604), (27, 778012996), (36, 583509747), (46, 456659802), (47, 446943636), (54, 389006498), (69, 304439868), (92, 228329901), (94, 223471818), (108, 194503249), (138, 152219934), (141, 148981212), (188, 111735909), (207, 101479956), (276, 76109967), (282, 74490606), (414, 50739978), (423, 49660404), (529, 39709548), (564, 37245303), (621, 33826652), (828, 25369989), (846, 24830202), (1058, 19854774), (1081, 19432332), (1242, 16913326), (1269, 16553468), (1587, 13236516), (1692, 12415101), (2116, 9927387), (2162, 9716166), (2484, 8456663), (2538, 8276734), (3174, 6618258), (3243, 6477444), (4324, 4858083), (4761, 4412172), (5076, 4138367), (6348, 3309129), (6486, 3238722), (7823, 2685204), (9522, 2206086), (9729, 2159148), (12972, 1619361), (14283, 1470724), (15646, 1342602), (19044, 1103043), (19458, 1079574), (23469, 895068), (24863, 844884), (28566, 735362), (29187, 719716), (31292, 671301), (38916, 539787), (46938, 447534), (49726, 422442), (57132, 367681), (58374, 359858), (70407, 298356), (74589, 281628), (93876, 223767), (99452, 211221), (116748, 179929), (140814, 149178)]