21746536

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 50388480

約数和(自身を除く): 28641944

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 53, 56, 68, 106, 119, 136, 212, 238, 371, 424, 431, 476, 742, 862, 901, 952, 1484, 1724, 1802, 2968, 3017, 3448, 3604, 6034, 6307, 7208, 7327, 12068, 12614, 14654, 22843, 24136, 25228, 29308, 45686, 50456, 51289, 58616, 91372, 102578, 159901, 182744, 205156, 319802, 388331, 410312, 639604, 776662, 1279208, 1553324, 2718317, 3106648, 5436634, 10873268, 21746536]

約数ペア:

[(1, 21746536), (2, 10873268), (4, 5436634), (7, 3106648), (8, 2718317), (14, 1553324), (17, 1279208), (28, 776662), (34, 639604), (53, 410312), (56, 388331), (68, 319802), (106, 205156), (119, 182744), (136, 159901), (212, 102578), (238, 91372), (371, 58616), (424, 51289), (431, 50456), (476, 45686), (742, 29308), (862, 25228), (901, 24136), (952, 22843), (1484, 14654), (1724, 12614), (1802, 12068), (2968, 7327), (3017, 7208), (3448, 6307), (3604, 6034)]