21996211320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61100587}}^1$

素因数の和:61100604

約数の個数: 48

約数和(自身を含む): 71487687960

約数和(自身を除く): 49491476640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 61100587, 122201174, 183301761, 244402348, 305502935, 366603522, 488804696, 549905283, 611005870, 733207044, 916508805, 1099810566, 1222011740, 1466414088, 1833017610, 2199621132, 2444023480, 2749526415, 3666035220, 4399242264, 5499052830, 7332070440, 10998105660, 21996211320]

約数ペア:

[(1, 21996211320), (2, 10998105660), (3, 7332070440), (4, 5499052830), (5, 4399242264), (6, 3666035220), (8, 2749526415), (9, 2444023480), (10, 2199621132), (12, 1833017610), (15, 1466414088), (18, 1222011740), (20, 1099810566), (24, 916508805), (30, 733207044), (36, 611005870), (40, 549905283), (45, 488804696), (60, 366603522), (72, 305502935), (90, 244402348), (120, 183301761), (180, 122201174), (360, 61100587)]