21777930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1116

約数の個数: 64

約数和(自身を含む): 58867200

約数和(自身を除く): 37089270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 90, 135, 158, 237, 270, 395, 474, 711, 790, 1021, 1185, 1422, 2042, 2133, 2370, 3063, 3555, 4266, 5105, 6126, 7110, 9189, 10210, 10665, 15315, 18378, 21330, 27567, 30630, 45945, 55134, 80659, 91890, 137835, 161318, 241977, 275670, 403295, 483954, 725931, 806590, 1209885, 1451862, 2177793, 2419770, 3629655, 4355586, 7259310, 10888965, 21777930]

約数ペア:

[(1, 21777930), (2, 10888965), (3, 7259310), (5, 4355586), (6, 3629655), (9, 2419770), (10, 2177793), (15, 1451862), (18, 1209885), (27, 806590), (30, 725931), (45, 483954), (54, 403295), (79, 275670), (90, 241977), (135, 161318), (158, 137835), (237, 91890), (270, 80659), (395, 55134), (474, 45945), (711, 30630), (790, 27567), (1021, 21330), (1185, 18378), (1422, 15315), (2042, 10665), (2133, 10210), (2370, 9189), (3063, 7110), (3555, 6126), (4266, 5105)]