21637410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1481}}^1$

素因数の和:1978

約数の個数: 32

約数和(自身を含む): 52071552

約数和(自身を除く): 30434142

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 487, 974, 1461, 1481, 2435, 2922, 2962, 4443, 4870, 7305, 7405, 8886, 14610, 14810, 22215, 44430, 721247, 1442494, 2163741, 3606235, 4327482, 7212470, 10818705, 21637410]

約数ペア:

[(1, 21637410), (2, 10818705), (3, 7212470), (5, 4327482), (6, 3606235), (10, 2163741), (15, 1442494), (30, 721247), (487, 44430), (974, 22215), (1461, 14810), (1481, 14610), (2435, 8886), (2922, 7405), (2962, 7305), (4443, 4870)]