21684996

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 62447616

約数和(自身を除く): 40762620

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 31, 34, 36, 51, 54, 62, 68, 81, 93, 102, 108, 124, 127, 153, 162, 186, 204, 254, 279, 306, 324, 372, 381, 459, 508, 527, 558, 612, 762, 837, 918, 1054, 1116, 1143, 1377, 1524, 1581, 1674, 1836, 2108, 2159, 2286, 2511, 2754, 3162, 3348, 3429, 3937, 4318, 4572, 4743, 5022, 5508, 6324, 6477, 6858, 7874, 8636, 9486, 10044, 10287, 11811, 12954, 13716, 14229, 15748, 18972, 19431, 20574, 23622, 25908, 28458, 35433, 38862, 41148, 42687, 47244, 56916, 58293, 66929, 70866, 77724, 85374, 106299, 116586, 133858, 141732, 170748, 174879, 200787, 212598, 233172, 267716, 318897, 349758, 401574, 425196, 602361, 637794, 699516, 803148, 1204722, 1275588, 1807083, 2409444, 3614166, 5421249, 7228332, 10842498, 21684996]

約数ペア:

[(1, 21684996), (2, 10842498), (3, 7228332), (4, 5421249), (6, 3614166), (9, 2409444), (12, 1807083), (17, 1275588), (18, 1204722), (27, 803148), (31, 699516), (34, 637794), (36, 602361), (51, 425196), (54, 401574), (62, 349758), (68, 318897), (81, 267716), (93, 233172), (102, 212598), (108, 200787), (124, 174879), (127, 170748), (153, 141732), (162, 133858), (186, 116586), (204, 106299), (254, 85374), (279, 77724), (306, 70866), (324, 66929), (372, 58293), (381, 56916), (459, 47244), (508, 42687), (527, 41148), (558, 38862), (612, 35433), (762, 28458), (837, 25908), (918, 23622), (1054, 20574), (1116, 19431), (1143, 18972), (1377, 15748), (1524, 14229), (1581, 13716), (1674, 12954), (1836, 11811), (2108, 10287), (2159, 10044), (2286, 9486), (2511, 8636), (2754, 7874), (3162, 6858), (3348, 6477), (3429, 6324), (3937, 5508), (4318, 5022), (4572, 4743)]