21337128

素因数分解:

$2^3\times 3^3\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 59716800

約数和(自身を除く): 38379672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 173, 216, 346, 519, 571, 692, 1038, 1142, 1384, 1557, 1713, 2076, 2284, 3114, 3426, 4152, 4568, 4671, 5139, 6228, 6852, 9342, 10278, 12456, 13704, 15417, 18684, 20556, 30834, 37368, 41112, 61668, 98783, 123336, 197566, 296349, 395132, 592698, 790264, 889047, 1185396, 1778094, 2370792, 2667141, 3556188, 5334282, 7112376, 10668564, 21337128]

約数ペア:

[(1, 21337128), (2, 10668564), (3, 7112376), (4, 5334282), (6, 3556188), (8, 2667141), (9, 2370792), (12, 1778094), (18, 1185396), (24, 889047), (27, 790264), (36, 592698), (54, 395132), (72, 296349), (108, 197566), (173, 123336), (216, 98783), (346, 61668), (519, 41112), (571, 37368), (692, 30834), (1038, 20556), (1142, 18684), (1384, 15417), (1557, 13704), (1713, 12456), (2076, 10278), (2284, 9342), (3114, 6852), (3426, 6228), (4152, 5139), (4568, 4671)]