21990959950

素因数分解:

$2^1\times 5^2\times {\mathrm{383}}^1\times {\mathrm{467}}^1\times {\mathrm{2459}}^1$

素因数の和:3321

約数の個数: 48

約数和(自身を含む): 41114511360

約数和(自身を除く): 19123551410

約数列:

[1, 2, 5, 10, 25, 50, 383, 467, 766, 934, 1915, 2335, 2459, 3830, 4670, 4918, 9575, 11675, 12295, 19150, 23350, 24590, 61475, 122950, 178861, 357722, 894305, 941797, 1148353, 1788610, 1883594, 2296706, 4471525, 4708985, 5741765, 8943050, 9417970, 11483530, 23544925, 28708825, 47089850, 57417650, 439819199, 879638398, 2199095995, 4398191990, 10995479975, 21990959950]

約数ペア:

[(1, 21990959950), (2, 10995479975), (5, 4398191990), (10, 2199095995), (25, 879638398), (50, 439819199), (383, 57417650), (467, 47089850), (766, 28708825), (934, 23544925), (1915, 11483530), (2335, 9417970), (2459, 8943050), (3830, 5741765), (4670, 4708985), (4918, 4471525), (9575, 2296706), (11675, 1883594), (12295, 1788610), (19150, 1148353), (23350, 941797), (24590, 894305), (61475, 357722), (122950, 178861)]