21693528

素因数分解:

$2^3\times 3^3\times {\mathrm{67}}^1\times {\mathrm{1499}}^1$

素因数の和:1581

約数の個数: 64

約数和(自身を含む): 61200000

約数和(自身を除く): 39506472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 108, 134, 201, 216, 268, 402, 536, 603, 804, 1206, 1499, 1608, 1809, 2412, 2998, 3618, 4497, 4824, 5996, 7236, 8994, 11992, 13491, 14472, 17988, 26982, 35976, 40473, 53964, 80946, 100433, 107928, 161892, 200866, 301299, 323784, 401732, 602598, 803464, 903897, 1205196, 1807794, 2410392, 2711691, 3615588, 5423382, 7231176, 10846764, 21693528]

約数ペア:

[(1, 21693528), (2, 10846764), (3, 7231176), (4, 5423382), (6, 3615588), (8, 2711691), (9, 2410392), (12, 1807794), (18, 1205196), (24, 903897), (27, 803464), (36, 602598), (54, 401732), (67, 323784), (72, 301299), (108, 200866), (134, 161892), (201, 107928), (216, 100433), (268, 80946), (402, 53964), (536, 40473), (603, 35976), (804, 26982), (1206, 17988), (1499, 14472), (1608, 13491), (1809, 11992), (2412, 8994), (2998, 7236), (3618, 5996), (4497, 4824)]