21947690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{853}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 41319936

約数和(自身を除く): 19372246

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 853, 1706, 2573, 4265, 5146, 8530, 12865, 25730, 26443, 52886, 70799, 132215, 141598, 264430, 353995, 707990, 2194769, 4389538, 10973845, 21947690]

約数ペア:

[(1, 21947690), (2, 10973845), (5, 4389538), (10, 2194769), (31, 707990), (62, 353995), (83, 264430), (155, 141598), (166, 132215), (310, 70799), (415, 52886), (830, 26443), (853, 25730), (1706, 12865), (2573, 8530), (4265, 5146)]