21437748

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1523}}^1$

素因数の和:1573

約数の個数: 72

約数和(自身を含む): 59911488

約数和(自身を除く): 38473740

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 51, 68, 69, 92, 102, 138, 153, 204, 207, 276, 306, 391, 414, 612, 782, 828, 1173, 1523, 1564, 2346, 3046, 3519, 4569, 4692, 6092, 7038, 9138, 13707, 14076, 18276, 25891, 27414, 35029, 51782, 54828, 70058, 77673, 103564, 105087, 140116, 155346, 210174, 233019, 310692, 315261, 420348, 466038, 595493, 630522, 932076, 1190986, 1261044, 1786479, 2381972, 3572958, 5359437, 7145916, 10718874, 21437748]

約数ペア:

[(1, 21437748), (2, 10718874), (3, 7145916), (4, 5359437), (6, 3572958), (9, 2381972), (12, 1786479), (17, 1261044), (18, 1190986), (23, 932076), (34, 630522), (36, 595493), (46, 466038), (51, 420348), (68, 315261), (69, 310692), (92, 233019), (102, 210174), (138, 155346), (153, 140116), (204, 105087), (207, 103564), (276, 77673), (306, 70058), (391, 54828), (414, 51782), (612, 35029), (782, 27414), (828, 25891), (1173, 18276), (1523, 14076), (1564, 13707), (2346, 9138), (3046, 7038), (3519, 6092), (4569, 4692)]