21699366

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 49533120

約数和(自身を除く): 27833754

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 53, 58, 78, 87, 106, 159, 174, 181, 318, 362, 377, 543, 689, 754, 1086, 1131, 1378, 1537, 2067, 2262, 2353, 3074, 4134, 4611, 4706, 5249, 7059, 9222, 9593, 10498, 14118, 15747, 19186, 19981, 28779, 31494, 39962, 57558, 59943, 68237, 119886, 124709, 136474, 204711, 249418, 278197, 374127, 409422, 556394, 748254, 834591, 1669182, 3616561, 7233122, 10849683, 21699366]

約数ペア:

[(1, 21699366), (2, 10849683), (3, 7233122), (6, 3616561), (13, 1669182), (26, 834591), (29, 748254), (39, 556394), (53, 409422), (58, 374127), (78, 278197), (87, 249418), (106, 204711), (159, 136474), (174, 124709), (181, 119886), (318, 68237), (362, 59943), (377, 57558), (543, 39962), (689, 31494), (754, 28779), (1086, 19981), (1131, 19186), (1378, 15747), (1537, 14118), (2067, 10498), (2262, 9593), (2353, 9222), (3074, 7059), (4134, 5249), (4611, 4706)]