21031476

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 51612288

約数和(自身を除く): 30580812

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 181, 276, 362, 421, 543, 724, 842, 1086, 1263, 1684, 2172, 2526, 4163, 5052, 8326, 9683, 12489, 16652, 19366, 24978, 29049, 38732, 49956, 58098, 76201, 116196, 152402, 228603, 304804, 457206, 914412, 1752623, 3505246, 5257869, 7010492, 10515738, 21031476]

約数ペア:

[(1, 21031476), (2, 10515738), (3, 7010492), (4, 5257869), (6, 3505246), (12, 1752623), (23, 914412), (46, 457206), (69, 304804), (92, 228603), (138, 152402), (181, 116196), (276, 76201), (362, 58098), (421, 49956), (543, 38732), (724, 29049), (842, 24978), (1086, 19366), (1263, 16652), (1684, 12489), (2172, 9683), (2526, 8326), (4163, 5052)]