21632290

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 18465950

約数列:

[1, 2, 5, 10, 67, 83, 134, 166, 335, 389, 415, 670, 778, 830, 1945, 3890, 5561, 11122, 26063, 27805, 32287, 52126, 55610, 64574, 130315, 161435, 260630, 322870, 2163229, 4326458, 10816145, 21632290]

約数ペア:

[(1, 21632290), (2, 10816145), (5, 4326458), (10, 2163229), (67, 322870), (83, 260630), (134, 161435), (166, 130315), (335, 64574), (389, 55610), (415, 52126), (670, 32287), (778, 27805), (830, 26063), (1945, 11122), (3890, 5561)]