21197436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7993}}^1$

素因数の和:8030

約数の個数: 48

約数和(自身を含む): 56405664

約数和(自身を除く): 35208228

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7993, 15986, 23979, 31972, 47958, 95916, 103909, 135881, 207818, 271762, 311727, 407643, 415636, 543524, 623454, 815286, 1246908, 1630572, 1766453, 3532906, 5299359, 7065812, 10598718, 21197436]

約数ペア:

[(1, 21197436), (2, 10598718), (3, 7065812), (4, 5299359), (6, 3532906), (12, 1766453), (13, 1630572), (17, 1246908), (26, 815286), (34, 623454), (39, 543524), (51, 415636), (52, 407643), (68, 311727), (78, 271762), (102, 207818), (156, 135881), (204, 103909), (221, 95916), (442, 47958), (663, 31972), (884, 23979), (1326, 15986), (2652, 7993)]