21182796

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 61967360

約数和(自身を除く): 40784564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 37, 38, 54, 57, 62, 74, 76, 81, 93, 108, 111, 114, 124, 148, 162, 171, 186, 222, 228, 243, 279, 324, 333, 342, 372, 444, 486, 513, 558, 589, 666, 684, 703, 837, 972, 999, 1026, 1116, 1147, 1178, 1332, 1406, 1539, 1674, 1767, 1998, 2052, 2109, 2294, 2356, 2511, 2812, 2997, 3078, 3348, 3441, 3534, 3996, 4218, 4588, 4617, 5022, 5301, 5994, 6156, 6327, 6882, 7068, 7533, 8436, 8991, 9234, 10044, 10323, 10602, 11988, 12654, 13764, 15066, 15903, 17982, 18468, 18981, 20646, 21204, 21793, 25308, 30132, 30969, 31806, 35964, 37962, 41292, 43586, 47709, 56943, 61938, 63612, 65379, 75924, 87172, 92907, 95418, 113886, 123876, 130758, 143127, 170829, 185814, 190836, 196137, 227772, 261516, 278721, 286254, 341658, 371628, 392274, 557442, 572508, 588411, 683316, 784548, 1114884, 1176822, 1765233, 2353644, 3530466, 5295699, 7060932, 10591398, 21182796]

約数ペア:

[(1, 21182796), (2, 10591398), (3, 7060932), (4, 5295699), (6, 3530466), (9, 2353644), (12, 1765233), (18, 1176822), (19, 1114884), (27, 784548), (31, 683316), (36, 588411), (37, 572508), (38, 557442), (54, 392274), (57, 371628), (62, 341658), (74, 286254), (76, 278721), (81, 261516), (93, 227772), (108, 196137), (111, 190836), (114, 185814), (124, 170829), (148, 143127), (162, 130758), (171, 123876), (186, 113886), (222, 95418), (228, 92907), (243, 87172), (279, 75924), (324, 65379), (333, 63612), (342, 61938), (372, 56943), (444, 47709), (486, 43586), (513, 41292), (558, 37962), (589, 35964), (666, 31806), (684, 30969), (703, 30132), (837, 25308), (972, 21793), (999, 21204), (1026, 20646), (1116, 18981), (1147, 18468), (1178, 17982), (1332, 15903), (1406, 15066), (1539, 13764), (1674, 12654), (1767, 11988), (1998, 10602), (2052, 10323), (2109, 10044), (2294, 9234), (2356, 8991), (2511, 8436), (2812, 7533), (2997, 7068), (3078, 6882), (3348, 6327), (3441, 6156), (3534, 5994), (3996, 5301), (4218, 5022), (4588, 4617)]