21369936335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 29292392448

約数和(自身を除く): 7922456113

約数列:

[1, 5, 11, 31, 55, 131, 155, 241, 341, 397, 655, 1205, 1441, 1705, 1985, 2651, 4061, 4367, 7205, 7471, 12307, 13255, 20305, 21835, 31571, 37355, 44671, 52007, 61535, 82181, 95677, 135377, 157855, 223355, 260035, 347281, 410905, 478385, 572077, 676885, 978701, 1052447, 1612217, 1736405, 2860385, 2965987, 4893505, 5262235, 8061085, 10765711, 12533687, 14829935, 17734387, 32625857, 53828555, 62668435, 88671935, 137870557, 163129285, 388544297, 689352785, 1942721485, 4273987267, 21369936335]

約数ペア:

[(1, 21369936335), (5, 4273987267), (11, 1942721485), (31, 689352785), (55, 388544297), (131, 163129285), (155, 137870557), (241, 88671935), (341, 62668435), (397, 53828555), (655, 32625857), (1205, 17734387), (1441, 14829935), (1705, 12533687), (1985, 10765711), (2651, 8061085), (4061, 5262235), (4367, 4893505), (7205, 2965987), (7471, 2860385), (12307, 1736405), (13255, 1612217), (20305, 1052447), (21835, 978701), (31571, 676885), (37355, 572077), (44671, 478385), (52007, 410905), (61535, 347281), (82181, 260035), (95677, 223355), (135377, 157855)]