21320130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54667}}^1$

素因数の和:54690

約数の個数: 32

約数和(自身を含む): 55105344

約数和(自身を除く): 33785214

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54667, 109334, 164001, 273335, 328002, 546670, 710671, 820005, 1421342, 1640010, 2132013, 3553355, 4264026, 7106710, 10660065, 21320130]

約数ペア:

[(1, 21320130), (2, 10660065), (3, 7106710), (5, 4264026), (6, 3553355), (10, 2132013), (13, 1640010), (15, 1421342), (26, 820005), (30, 710671), (39, 546670), (65, 328002), (78, 273335), (130, 164001), (195, 109334), (390, 54667)]