21206736

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:393

約数の個数: 120

約数和(自身を含む): 65382720

約数和(自身を除く): 44175984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 36, 38, 46, 48, 57, 69, 72, 76, 92, 114, 138, 144, 152, 171, 184, 207, 228, 276, 304, 337, 342, 368, 414, 437, 456, 552, 674, 684, 828, 874, 912, 1011, 1104, 1311, 1348, 1368, 1656, 1748, 2022, 2622, 2696, 2736, 3033, 3312, 3496, 3933, 4044, 5244, 5392, 6066, 6403, 6992, 7751, 7866, 8088, 10488, 12132, 12806, 15502, 15732, 16176, 19209, 20976, 23253, 24264, 25612, 31004, 31464, 38418, 46506, 48528, 51224, 57627, 62008, 62928, 69759, 76836, 93012, 102448, 115254, 124016, 139518, 147269, 153672, 186024, 230508, 279036, 294538, 307344, 372048, 441807, 461016, 558072, 589076, 883614, 922032, 1116144, 1178152, 1325421, 1767228, 2356304, 2650842, 3534456, 5301684, 7068912, 10603368, 21206736]

約数ペア:

[(1, 21206736), (2, 10603368), (3, 7068912), (4, 5301684), (6, 3534456), (8, 2650842), (9, 2356304), (12, 1767228), (16, 1325421), (18, 1178152), (19, 1116144), (23, 922032), (24, 883614), (36, 589076), (38, 558072), (46, 461016), (48, 441807), (57, 372048), (69, 307344), (72, 294538), (76, 279036), (92, 230508), (114, 186024), (138, 153672), (144, 147269), (152, 139518), (171, 124016), (184, 115254), (207, 102448), (228, 93012), (276, 76836), (304, 69759), (337, 62928), (342, 62008), (368, 57627), (414, 51224), (437, 48528), (456, 46506), (552, 38418), (674, 31464), (684, 31004), (828, 25612), (874, 24264), (912, 23253), (1011, 20976), (1104, 19209), (1311, 16176), (1348, 15732), (1368, 15502), (1656, 12806), (1748, 12132), (2022, 10488), (2622, 8088), (2696, 7866), (2736, 7751), (3033, 6992), (3312, 6403), (3496, 6066), (3933, 5392), (4044, 5244)]