21965904

素因数分解:

$2^4\times 3^4\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1034

約数の個数: 100

約数和(自身を含む): 67382964

約数和(自身を除く): 45417060

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 81, 102, 108, 136, 144, 153, 162, 204, 216, 272, 306, 324, 408, 432, 459, 612, 648, 816, 918, 997, 1224, 1296, 1377, 1836, 1994, 2448, 2754, 2991, 3672, 3988, 5508, 5982, 7344, 7976, 8973, 11016, 11964, 15952, 16949, 17946, 22032, 23928, 26919, 33898, 35892, 47856, 50847, 53838, 67796, 71784, 80757, 101694, 107676, 135592, 143568, 152541, 161514, 203388, 215352, 271184, 305082, 323028, 406776, 430704, 457623, 610164, 646056, 813552, 915246, 1220328, 1292112, 1372869, 1830492, 2440656, 2745738, 3660984, 5491476, 7321968, 10982952, 21965904]

約数ペア:

[(1, 21965904), (2, 10982952), (3, 7321968), (4, 5491476), (6, 3660984), (8, 2745738), (9, 2440656), (12, 1830492), (16, 1372869), (17, 1292112), (18, 1220328), (24, 915246), (27, 813552), (34, 646056), (36, 610164), (48, 457623), (51, 430704), (54, 406776), (68, 323028), (72, 305082), (81, 271184), (102, 215352), (108, 203388), (136, 161514), (144, 152541), (153, 143568), (162, 135592), (204, 107676), (216, 101694), (272, 80757), (306, 71784), (324, 67796), (408, 53838), (432, 50847), (459, 47856), (612, 35892), (648, 33898), (816, 26919), (918, 23928), (997, 22032), (1224, 17946), (1296, 16949), (1377, 15952), (1836, 11964), (1994, 11016), (2448, 8973), (2754, 7976), (2991, 7344), (3672, 5982), (3988, 5508)]