2021448

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 128

約数和(自身を含む): 6451200

約数和(自身を除く): 4429752

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 19, 22, 24, 26, 31, 33, 38, 39, 44, 52, 57, 62, 66, 76, 78, 88, 93, 104, 114, 124, 132, 143, 152, 156, 186, 209, 228, 247, 248, 264, 286, 312, 341, 372, 403, 418, 429, 456, 494, 572, 589, 627, 682, 741, 744, 806, 836, 858, 988, 1023, 1144, 1178, 1209, 1254, 1364, 1482, 1612, 1672, 1716, 1767, 1976, 2046, 2356, 2418, 2508, 2717, 2728, 2964, 3224, 3432, 3534, 4092, 4433, 4712, 4836, 5016, 5434, 5928, 6479, 7068, 7657, 8151, 8184, 8866, 9672, 10868, 12958, 13299, 14136, 15314, 16302, 17732, 19437, 21736, 22971, 25916, 26598, 30628, 32604, 35464, 38874, 45942, 51832, 53196, 61256, 65208, 77748, 84227, 91884, 106392, 155496, 168454, 183768, 252681, 336908, 505362, 673816, 1010724, 2021448]

約数ペア:

[(1, 2021448), (2, 1010724), (3, 673816), (4, 505362), (6, 336908), (8, 252681), (11, 183768), (12, 168454), (13, 155496), (19, 106392), (22, 91884), (24, 84227), (26, 77748), (31, 65208), (33, 61256), (38, 53196), (39, 51832), (44, 45942), (52, 38874), (57, 35464), (62, 32604), (66, 30628), (76, 26598), (78, 25916), (88, 22971), (93, 21736), (104, 19437), (114, 17732), (124, 16302), (132, 15314), (143, 14136), (152, 13299), (156, 12958), (186, 10868), (209, 9672), (228, 8866), (247, 8184), (248, 8151), (264, 7657), (286, 7068), (312, 6479), (341, 5928), (372, 5434), (403, 5016), (418, 4836), (429, 4712), (456, 4433), (494, 4092), (572, 3534), (589, 3432), (627, 3224), (682, 2964), (741, 2728), (744, 2717), (806, 2508), (836, 2418), (858, 2356), (988, 2046), (1023, 1976), (1144, 1767), (1178, 1716), (1209, 1672), (1254, 1612), (1364, 1482)]