21194628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1493}}^1$

素因数の和:1533

約数の個数: 72

約数和(自身を含む): 61242048

約数和(自身を除く): 40047420

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 169, 182, 273, 338, 364, 507, 546, 676, 1014, 1092, 1183, 1493, 2028, 2366, 2986, 3549, 4479, 4732, 5972, 7098, 8958, 10451, 14196, 17916, 19409, 20902, 31353, 38818, 41804, 58227, 62706, 77636, 116454, 125412, 135863, 232908, 252317, 271726, 407589, 504634, 543452, 756951, 815178, 1009268, 1513902, 1630356, 1766219, 3027804, 3532438, 5298657, 7064876, 10597314, 21194628]

約数ペア:

[(1, 21194628), (2, 10597314), (3, 7064876), (4, 5298657), (6, 3532438), (7, 3027804), (12, 1766219), (13, 1630356), (14, 1513902), (21, 1009268), (26, 815178), (28, 756951), (39, 543452), (42, 504634), (52, 407589), (78, 271726), (84, 252317), (91, 232908), (156, 135863), (169, 125412), (182, 116454), (273, 77636), (338, 62706), (364, 58227), (507, 41804), (546, 38818), (676, 31353), (1014, 20902), (1092, 19409), (1183, 17916), (1493, 14196), (2028, 10451), (2366, 8958), (2986, 7098), (3549, 5972), (4479, 4732)]