21850128

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1367}}^1$

素因数の和:1421

約数の個数: 80

約数和(自身を含む): 64460160

約数和(自身を除く): 42610032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 108, 111, 144, 148, 216, 222, 296, 333, 432, 444, 592, 666, 888, 999, 1332, 1367, 1776, 1998, 2664, 2734, 3996, 4101, 5328, 5468, 7992, 8202, 10936, 12303, 15984, 16404, 21872, 24606, 32808, 36909, 49212, 50579, 65616, 73818, 98424, 101158, 147636, 151737, 196848, 202316, 295272, 303474, 404632, 455211, 590544, 606948, 809264, 910422, 1213896, 1365633, 1820844, 2427792, 2731266, 3641688, 5462532, 7283376, 10925064, 21850128]

約数ペア:

[(1, 21850128), (2, 10925064), (3, 7283376), (4, 5462532), (6, 3641688), (8, 2731266), (9, 2427792), (12, 1820844), (16, 1365633), (18, 1213896), (24, 910422), (27, 809264), (36, 606948), (37, 590544), (48, 455211), (54, 404632), (72, 303474), (74, 295272), (108, 202316), (111, 196848), (144, 151737), (148, 147636), (216, 101158), (222, 98424), (296, 73818), (333, 65616), (432, 50579), (444, 49212), (592, 36909), (666, 32808), (888, 24606), (999, 21872), (1332, 16404), (1367, 15984), (1776, 12303), (1998, 10936), (2664, 8202), (2734, 7992), (3996, 5468), (4101, 5328)]