21243744

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4339}}^1$

素因数の和:4372

約数の個数: 72

約数和(自身を含む): 63980280

約数和(自身を除く): 42736536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4339, 4896, 8678, 13017, 17356, 26034, 34712, 39051, 52068, 69424, 73763, 78102, 104136, 138848, 147526, 156204, 208272, 221289, 295052, 312408, 416544, 442578, 590104, 624816, 663867, 885156, 1180208, 1249632, 1327734, 1770312, 2360416, 2655468, 3540624, 5310936, 7081248, 10621872, 21243744]

約数ペア:

[(1, 21243744), (2, 10621872), (3, 7081248), (4, 5310936), (6, 3540624), (8, 2655468), (9, 2360416), (12, 1770312), (16, 1327734), (17, 1249632), (18, 1180208), (24, 885156), (32, 663867), (34, 624816), (36, 590104), (48, 442578), (51, 416544), (68, 312408), (72, 295052), (96, 221289), (102, 208272), (136, 156204), (144, 147526), (153, 138848), (204, 104136), (272, 78102), (288, 73763), (306, 69424), (408, 52068), (544, 39051), (612, 34712), (816, 26034), (1224, 17356), (1632, 13017), (2448, 8678), (4339, 4896)]