21412332

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 56412720

約数和(自身を除く): 35000388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 89, 123, 163, 164, 178, 246, 267, 326, 356, 369, 489, 492, 534, 652, 738, 801, 978, 1068, 1467, 1476, 1602, 1956, 2934, 3204, 3649, 5868, 6683, 7298, 10947, 13366, 14507, 14596, 20049, 21894, 26732, 29014, 32841, 40098, 43521, 43788, 58028, 60147, 65682, 80196, 87042, 120294, 130563, 131364, 174084, 240588, 261126, 522252, 594787, 1189574, 1784361, 2379148, 3568722, 5353083, 7137444, 10706166, 21412332]

約数ペア:

[(1, 21412332), (2, 10706166), (3, 7137444), (4, 5353083), (6, 3568722), (9, 2379148), (12, 1784361), (18, 1189574), (36, 594787), (41, 522252), (82, 261126), (89, 240588), (123, 174084), (163, 131364), (164, 130563), (178, 120294), (246, 87042), (267, 80196), (326, 65682), (356, 60147), (369, 58028), (489, 43788), (492, 43521), (534, 40098), (652, 32841), (738, 29014), (801, 26732), (978, 21894), (1068, 20049), (1467, 14596), (1476, 14507), (1602, 13366), (1956, 10947), (2934, 7298), (3204, 6683), (3649, 5868)]