21414406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15599354

約数列:

[1, 2, 13, 19, 26, 38, 67, 134, 247, 494, 647, 871, 1273, 1294, 1742, 2546, 8411, 12293, 16549, 16822, 24586, 33098, 43349, 86698, 159809, 319618, 563537, 823631, 1127074, 1647262, 10707203, 21414406]

約数ペア:

[(1, 21414406), (2, 10707203), (13, 1647262), (19, 1127074), (26, 823631), (38, 563537), (67, 319618), (134, 159809), (247, 86698), (494, 43349), (647, 33098), (871, 24586), (1273, 16822), (1294, 16549), (1742, 12293), (2546, 8411)]