21569496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 58514400

約数和(自身を除く): 36944904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 257, 269, 312, 514, 538, 771, 807, 1028, 1076, 1542, 1614, 2056, 2152, 3084, 3228, 3341, 3497, 6168, 6456, 6682, 6994, 10023, 10491, 13364, 13988, 20046, 20982, 26728, 27976, 40092, 41964, 69133, 80184, 83928, 138266, 207399, 276532, 414798, 553064, 829596, 898729, 1659192, 1797458, 2696187, 3594916, 5392374, 7189832, 10784748, 21569496]

約数ペア:

[(1, 21569496), (2, 10784748), (3, 7189832), (4, 5392374), (6, 3594916), (8, 2696187), (12, 1797458), (13, 1659192), (24, 898729), (26, 829596), (39, 553064), (52, 414798), (78, 276532), (104, 207399), (156, 138266), (257, 83928), (269, 80184), (312, 69133), (514, 41964), (538, 40092), (771, 27976), (807, 26728), (1028, 20982), (1076, 20046), (1542, 13988), (1614, 13364), (2056, 10491), (2152, 10023), (3084, 6994), (3228, 6682), (3341, 6456), (3497, 6168)]