21004950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{233}}^1\times {\mathrm{601}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 52402896

約数和(自身を除く): 31397946

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 233, 466, 601, 699, 1165, 1202, 1398, 1803, 2330, 3005, 3495, 3606, 5825, 6010, 6990, 9015, 11650, 15025, 17475, 18030, 30050, 34950, 45075, 90150, 140033, 280066, 420099, 700165, 840198, 1400330, 2100495, 3500825, 4200990, 7001650, 10502475, 21004950]

約数ペア:

[(1, 21004950), (2, 10502475), (3, 7001650), (5, 4200990), (6, 3500825), (10, 2100495), (15, 1400330), (25, 840198), (30, 700165), (50, 420099), (75, 280066), (150, 140033), (233, 90150), (466, 45075), (601, 34950), (699, 30050), (1165, 18030), (1202, 17475), (1398, 15025), (1803, 11650), (2330, 9015), (3005, 6990), (3495, 6010), (3606, 5825)]