21840870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9973}}^1$

素因数の和:10056

約数の個数: 32

約数和(自身を含む): 53141472

約数和(自身を除く): 31300602

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9973, 19946, 29919, 49865, 59838, 99730, 149595, 299190, 728029, 1456058, 2184087, 3640145, 4368174, 7280290, 10920435, 21840870]

約数ペア:

[(1, 21840870), (2, 10920435), (3, 7280290), (5, 4368174), (6, 3640145), (10, 2184087), (15, 1456058), (30, 728029), (73, 299190), (146, 149595), (219, 99730), (365, 59838), (438, 49865), (730, 29919), (1095, 19946), (2190, 9973)]