21844260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121357}}^1$

素因数の和:121372

約数の個数: 36

約数和(自身を含む): 66261468

約数和(自身を除く): 44417208

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121357, 242714, 364071, 485428, 606785, 728142, 1092213, 1213570, 1456284, 1820355, 2184426, 2427140, 3640710, 4368852, 5461065, 7281420, 10922130, 21844260]

約数ペア:

[(1, 21844260), (2, 10922130), (3, 7281420), (4, 5461065), (5, 4368852), (6, 3640710), (9, 2427140), (10, 2184426), (12, 1820355), (15, 1456284), (18, 1213570), (20, 1092213), (30, 728142), (36, 606785), (45, 485428), (60, 364071), (90, 242714), (180, 121357)]