21398394108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{47911}}^1$

素因数の和:48347

約数の個数: 96

約数和(自身を含む): 61603333120

約数和(自身を除く): 40204939012

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 409, 546, 818, 1092, 1227, 1636, 2454, 2863, 4908, 5317, 5726, 8589, 10634, 11452, 15951, 17178, 21268, 31902, 34356, 37219, 47911, 63804, 74438, 95822, 111657, 143733, 148876, 191644, 223314, 287466, 335377, 446628, 574932, 622843, 670754, 1006131, 1245686, 1341508, 1868529, 2012262, 2491372, 3737058, 4024524, 4359901, 7474116, 8719802, 13079703, 17439604, 19595599, 26159406, 39191198, 52318812, 58786797, 78382396, 117573594, 137169193, 235147188, 254742787, 274338386, 411507579, 509485574, 548676772, 764228361, 823015158, 1018971148, 1528456722, 1646030316, 1783199509, 3056913444, 3566399018, 5349598527, 7132798036, 10699197054, 21398394108]

約数ペア:

[(1, 21398394108), (2, 10699197054), (3, 7132798036), (4, 5349598527), (6, 3566399018), (7, 3056913444), (12, 1783199509), (13, 1646030316), (14, 1528456722), (21, 1018971148), (26, 823015158), (28, 764228361), (39, 548676772), (42, 509485574), (52, 411507579), (78, 274338386), (84, 254742787), (91, 235147188), (156, 137169193), (182, 117573594), (273, 78382396), (364, 58786797), (409, 52318812), (546, 39191198), (818, 26159406), (1092, 19595599), (1227, 17439604), (1636, 13079703), (2454, 8719802), (2863, 7474116), (4908, 4359901), (5317, 4024524), (5726, 3737058), (8589, 2491372), (10634, 2012262), (11452, 1868529), (15951, 1341508), (17178, 1245686), (21268, 1006131), (31902, 670754), (34356, 622843), (37219, 574932), (47911, 446628), (63804, 335377), (74438, 287466), (95822, 223314), (111657, 191644), (143733, 148876)]