21167226455609

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1669}}^1\times {\mathrm{18797}}^1$

素因数の和:20610

約数の個数: 64

約数和(自身を含む): 25061890613760

約数和(自身を除く): 3894664158151

約数列:

[1, 13, 17, 43, 71, 221, 559, 731, 923, 1207, 1669, 3053, 9503, 15691, 18797, 21697, 28373, 39689, 51901, 71767, 118499, 244361, 319549, 368849, 674713, 808271, 932971, 1220039, 1334587, 1540487, 2014483, 4154137, 5095457, 10507523, 13740607, 15860507, 17349631, 22687979, 26188279, 31372193, 57387241, 66240941, 86622769, 178627891, 294943727, 407838509, 533327281, 746034133, 975583097, 1126095997, 1349004299, 2227425703, 6933254653, 12682580261, 17537055887, 22933073083, 28956534139, 37866236951, 95779305229, 298129950079, 492261080363, 1245130967977, 1628248188893, 21167226455609]

約数ペア:

[(1, 21167226455609), (13, 1628248188893), (17, 1245130967977), (43, 492261080363), (71, 298129950079), (221, 95779305229), (559, 37866236951), (731, 28956534139), (923, 22933073083), (1207, 17537055887), (1669, 12682580261), (3053, 6933254653), (9503, 2227425703), (15691, 1349004299), (18797, 1126095997), (21697, 975583097), (28373, 746034133), (39689, 533327281), (51901, 407838509), (71767, 294943727), (118499, 178627891), (244361, 86622769), (319549, 66240941), (368849, 57387241), (674713, 31372193), (808271, 26188279), (932971, 22687979), (1220039, 17349631), (1334587, 15860507), (1540487, 13740607), (2014483, 10507523), (4154137, 5095457)]