21376602

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 52604160

約数和(自身を除く): 31227558

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 111, 117, 222, 234, 333, 351, 481, 666, 702, 823, 962, 999, 1443, 1646, 1998, 2469, 2886, 4329, 4938, 7407, 8658, 10699, 12987, 14814, 21398, 22221, 25974, 30451, 32097, 44442, 60902, 64194, 91353, 96291, 182706, 192582, 274059, 288873, 395863, 548118, 577746, 791726, 822177, 1187589, 1644354, 2375178, 3562767, 7125534, 10688301, 21376602]

約数ペア:

[(1, 21376602), (2, 10688301), (3, 7125534), (6, 3562767), (9, 2375178), (13, 1644354), (18, 1187589), (26, 822177), (27, 791726), (37, 577746), (39, 548118), (54, 395863), (74, 288873), (78, 274059), (111, 192582), (117, 182706), (222, 96291), (234, 91353), (333, 64194), (351, 60902), (481, 44442), (666, 32097), (702, 30451), (823, 25974), (962, 22221), (999, 21398), (1443, 14814), (1646, 12987), (1998, 10699), (2469, 8658), (2886, 7407), (4329, 4938)]