21064734

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 52363584

約数和(自身を除く): 31298850

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 34, 41, 46, 51, 69, 73, 82, 102, 123, 138, 146, 153, 207, 219, 246, 306, 369, 391, 414, 438, 657, 697, 738, 782, 943, 1173, 1241, 1314, 1394, 1679, 1886, 2091, 2346, 2482, 2829, 2993, 3358, 3519, 3723, 4182, 5037, 5658, 5986, 6273, 7038, 7446, 8487, 8979, 10074, 11169, 12546, 15111, 16031, 16974, 17958, 22338, 26937, 28543, 30222, 32062, 48093, 50881, 53874, 57086, 68839, 85629, 96186, 101762, 137678, 144279, 152643, 171258, 206517, 256887, 288558, 305286, 413034, 457929, 513774, 619551, 915858, 1170263, 1239102, 2340526, 3510789, 7021578, 10532367, 21064734]

約数ペア:

[(1, 21064734), (2, 10532367), (3, 7021578), (6, 3510789), (9, 2340526), (17, 1239102), (18, 1170263), (23, 915858), (34, 619551), (41, 513774), (46, 457929), (51, 413034), (69, 305286), (73, 288558), (82, 256887), (102, 206517), (123, 171258), (138, 152643), (146, 144279), (153, 137678), (207, 101762), (219, 96186), (246, 85629), (306, 68839), (369, 57086), (391, 53874), (414, 50881), (438, 48093), (657, 32062), (697, 30222), (738, 28543), (782, 26937), (943, 22338), (1173, 17958), (1241, 16974), (1314, 16031), (1394, 15111), (1679, 12546), (1886, 11169), (2091, 10074), (2346, 8979), (2482, 8487), (2829, 7446), (2993, 7038), (3358, 6273), (3519, 5986), (3723, 5658), (4182, 5037)]