21167768115

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{3989}}^1$

素因数の和:4253

約数の個数: 96

約数和(自身を含む): 40573128960

約数和(自身を除く): 19405360845

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 193, 195, 235, 423, 579, 585, 611, 705, 965, 1737, 1833, 2115, 2509, 2895, 3055, 3989, 5499, 7527, 8685, 9071, 9165, 11967, 12545, 19945, 22581, 27213, 27495, 35901, 37635, 45355, 51857, 59835, 81639, 112905, 117923, 136065, 155571, 179505, 187483, 259285, 353769, 408195, 466713, 562449, 589615, 769877, 777855, 937415, 1061307, 1687347, 1768845, 2309631, 2333565, 2437279, 2812245, 3849385, 5306535, 6928893, 7311837, 8436735, 10008401, 11548155, 12186395, 21935511, 30025203, 34644465, 36184219, 36559185, 50042005, 90075609, 108552657, 109677555, 150126015, 180921095, 325657971, 450378045, 470394847, 542763285, 1411184541, 1628289855, 2351974235, 4233553623, 7055922705, 21167768115]

約数ペア:

[(1, 21167768115), (3, 7055922705), (5, 4233553623), (9, 2351974235), (13, 1628289855), (15, 1411184541), (39, 542763285), (45, 470394847), (47, 450378045), (65, 325657971), (117, 180921095), (141, 150126015), (193, 109677555), (195, 108552657), (235, 90075609), (423, 50042005), (579, 36559185), (585, 36184219), (611, 34644465), (705, 30025203), (965, 21935511), (1737, 12186395), (1833, 11548155), (2115, 10008401), (2509, 8436735), (2895, 7311837), (3055, 6928893), (3989, 5306535), (5499, 3849385), (7527, 2812245), (8685, 2437279), (9071, 2333565), (9165, 2309631), (11967, 1768845), (12545, 1687347), (19945, 1061307), (22581, 937415), (27213, 777855), (27495, 769877), (35901, 589615), (37635, 562449), (45355, 466713), (51857, 408195), (59835, 353769), (81639, 259285), (112905, 187483), (117923, 179505), (136065, 155571)]