21107412

素因数分解:

$2^2\times 3^3\times {\mathrm{67}}^1\times {\mathrm{2917}}^1$

素因数の和:2997

約数の個数: 48

約数和(自身を含む): 55558720

約数和(自身を除く): 34451308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 108, 134, 201, 268, 402, 603, 804, 1206, 1809, 2412, 2917, 3618, 5834, 7236, 8751, 11668, 17502, 26253, 35004, 52506, 78759, 105012, 157518, 195439, 315036, 390878, 586317, 781756, 1172634, 1758951, 2345268, 3517902, 5276853, 7035804, 10553706, 21107412]

約数ペア:

[(1, 21107412), (2, 10553706), (3, 7035804), (4, 5276853), (6, 3517902), (9, 2345268), (12, 1758951), (18, 1172634), (27, 781756), (36, 586317), (54, 390878), (67, 315036), (108, 195439), (134, 157518), (201, 105012), (268, 78759), (402, 52506), (603, 35004), (804, 26253), (1206, 17502), (1809, 11668), (2412, 8751), (2917, 7236), (3618, 5834)]