21998392400

素因数分解:

$2^4\times 5^2\times {\mathrm{331}}^1\times {\mathrm{166151}}^1$

素因数の和:166500

約数の個数: 60

約数和(自身を含む): 53011127904

約数和(自身を除く): 31012735504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 331, 400, 662, 1324, 1655, 2648, 3310, 5296, 6620, 8275, 13240, 16550, 26480, 33100, 66200, 132400, 166151, 332302, 664604, 830755, 1329208, 1661510, 2658416, 3323020, 4153775, 6646040, 8307550, 13292080, 16615100, 33230200, 54995981, 66460400, 109991962, 219983924, 274979905, 439967848, 549959810, 879935696, 1099919620, 1374899525, 2199839240, 2749799050, 4399678480, 5499598100, 10999196200, 21998392400]

約数ペア:

[(1, 21998392400), (2, 10999196200), (4, 5499598100), (5, 4399678480), (8, 2749799050), (10, 2199839240), (16, 1374899525), (20, 1099919620), (25, 879935696), (40, 549959810), (50, 439967848), (80, 274979905), (100, 219983924), (200, 109991962), (331, 66460400), (400, 54995981), (662, 33230200), (1324, 16615100), (1655, 13292080), (2648, 8307550), (3310, 6646040), (5296, 4153775), (6620, 3323020), (8275, 2658416), (13240, 1661510), (16550, 1329208), (26480, 830755), (33100, 664604), (66200, 332302), (132400, 166151)]