21651948

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{3931}}^1$

素因数の和:3964

約数の個数: 60

約数和(自身を含む): 59947272

約数和(自身を除く): 38295324

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 306, 324, 459, 612, 918, 1377, 1836, 2754, 3931, 5508, 7862, 11793, 15724, 23586, 35379, 47172, 66827, 70758, 106137, 133654, 141516, 200481, 212274, 267308, 318411, 400962, 424548, 601443, 636822, 801924, 1202886, 1273644, 1804329, 2405772, 3608658, 5412987, 7217316, 10825974, 21651948]

約数ペア:

[(1, 21651948), (2, 10825974), (3, 7217316), (4, 5412987), (6, 3608658), (9, 2405772), (12, 1804329), (17, 1273644), (18, 1202886), (27, 801924), (34, 636822), (36, 601443), (51, 424548), (54, 400962), (68, 318411), (81, 267308), (102, 212274), (108, 200481), (153, 141516), (162, 133654), (204, 106137), (306, 70758), (324, 66827), (459, 47172), (612, 35379), (918, 23586), (1377, 15724), (1836, 11793), (2754, 7862), (3931, 5508)]