21845970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{80911}}^1$

素因数の和:80927

約数の個数: 32

約数和(自身を含む): 58256640

約数和(自身を除く): 36410670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 80911, 161822, 242733, 404555, 485466, 728199, 809110, 1213665, 1456398, 2184597, 2427330, 3640995, 4369194, 7281990, 10922985, 21845970]

約数ペア:

[(1, 21845970), (2, 10922985), (3, 7281990), (5, 4369194), (6, 3640995), (9, 2427330), (10, 2184597), (15, 1456398), (18, 1213665), (27, 809110), (30, 728199), (45, 485466), (54, 404555), (90, 242733), (135, 161822), (270, 80911)]