21201450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{281}}^1\times {\mathrm{503}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 52871616

約数和(自身を除く): 31670166

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 281, 503, 562, 843, 1006, 1405, 1509, 1686, 2515, 2810, 3018, 4215, 5030, 7025, 7545, 8430, 12575, 14050, 15090, 21075, 25150, 37725, 42150, 75450, 141343, 282686, 424029, 706715, 848058, 1413430, 2120145, 3533575, 4240290, 7067150, 10600725, 21201450]

約数ペア:

[(1, 21201450), (2, 10600725), (3, 7067150), (5, 4240290), (6, 3533575), (10, 2120145), (15, 1413430), (25, 848058), (30, 706715), (50, 424029), (75, 282686), (150, 141343), (281, 75450), (503, 42150), (562, 37725), (843, 25150), (1006, 21075), (1405, 15090), (1509, 14050), (1686, 12575), (2515, 8430), (2810, 7545), (3018, 7025), (4215, 5030)]