21338964

素因数分解:

$2^2\times 3^4\times {\mathrm{67}}^1\times {\mathrm{983}}^1$

素因数の和:1066

約数の個数: 60

約数和(自身を含む): 56674464

約数和(自身を除く): 35335500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 81, 108, 134, 162, 201, 268, 324, 402, 603, 804, 983, 1206, 1809, 1966, 2412, 2949, 3618, 3932, 5427, 5898, 7236, 8847, 10854, 11796, 17694, 21708, 26541, 35388, 53082, 65861, 79623, 106164, 131722, 159246, 197583, 263444, 318492, 395166, 592749, 790332, 1185498, 1778247, 2370996, 3556494, 5334741, 7112988, 10669482, 21338964]

約数ペア:

[(1, 21338964), (2, 10669482), (3, 7112988), (4, 5334741), (6, 3556494), (9, 2370996), (12, 1778247), (18, 1185498), (27, 790332), (36, 592749), (54, 395166), (67, 318492), (81, 263444), (108, 197583), (134, 159246), (162, 131722), (201, 106164), (268, 79623), (324, 65861), (402, 53082), (603, 35388), (804, 26541), (983, 21708), (1206, 17694), (1809, 11796), (1966, 10854), (2412, 8847), (2949, 7236), (3618, 5898), (3932, 5427)]