21520512168

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1\times {\mathrm{14969}}^1$

素因数の和:16634

約数の個数: 64

約数和(自身を含む): 55293192000

約数和(自身を除く): 33772679832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 1619, 3238, 4857, 6476, 9714, 12952, 14969, 19428, 29938, 38856, 44907, 59876, 59903, 89814, 119752, 119806, 179628, 179709, 239612, 359256, 359418, 479224, 553853, 718836, 1107706, 1437672, 1661559, 2215412, 3323118, 4430824, 6646236, 13292472, 24234811, 48469622, 72704433, 96939244, 145408866, 193878488, 290817732, 581635464, 896688007, 1793376014, 2690064021, 3586752028, 5380128042, 7173504056, 10760256084, 21520512168]

約数ペア:

[(1, 21520512168), (2, 10760256084), (3, 7173504056), (4, 5380128042), (6, 3586752028), (8, 2690064021), (12, 1793376014), (24, 896688007), (37, 581635464), (74, 290817732), (111, 193878488), (148, 145408866), (222, 96939244), (296, 72704433), (444, 48469622), (888, 24234811), (1619, 13292472), (3238, 6646236), (4857, 4430824), (6476, 3323118), (9714, 2215412), (12952, 1661559), (14969, 1437672), (19428, 1107706), (29938, 718836), (38856, 553853), (44907, 479224), (59876, 359418), (59903, 359256), (89814, 239612), (119752, 179709), (119806, 179628)]