21995383592

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{10531}}^1$

素因数の和:10727

約数の個数: 128

約数和(自身を含む): 53789030400

約数和(自身を除く): 31793646808

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 151, 152, 182, 247, 266, 302, 364, 494, 532, 604, 728, 988, 1057, 1064, 1208, 1729, 1963, 1976, 2114, 2869, 3458, 3926, 4228, 5738, 6916, 7852, 8456, 10531, 11476, 13741, 13832, 15704, 20083, 21062, 22952, 27482, 37297, 40166, 42124, 54964, 73717, 74594, 80332, 84248, 109928, 136903, 147434, 149188, 160664, 200089, 261079, 273806, 294868, 298376, 400178, 522158, 547612, 589736, 800356, 958321, 1044316, 1095224, 1400623, 1590181, 1600712, 1916642, 2088632, 2601157, 2801246, 3180362, 3833284, 5202314, 5602492, 6360724, 7666568, 10404628, 11131267, 11204984, 12721448, 18208099, 20672353, 20809256, 22262534, 30213439, 36416198, 41344706, 44525068, 60426878, 72832396, 82689412, 89050136, 120853756, 144706471, 145664792, 165378824, 211494073, 241707512, 289412942, 392774707, 422988146, 578825884, 785549414, 845976292, 1157651768, 1571098828, 1691952584, 2749422949, 3142197656, 5498845898, 10997691796, 21995383592]

約数ペア:

[(1, 21995383592), (2, 10997691796), (4, 5498845898), (7, 3142197656), (8, 2749422949), (13, 1691952584), (14, 1571098828), (19, 1157651768), (26, 845976292), (28, 785549414), (38, 578825884), (52, 422988146), (56, 392774707), (76, 289412942), (91, 241707512), (104, 211494073), (133, 165378824), (151, 145664792), (152, 144706471), (182, 120853756), (247, 89050136), (266, 82689412), (302, 72832396), (364, 60426878), (494, 44525068), (532, 41344706), (604, 36416198), (728, 30213439), (988, 22262534), (1057, 20809256), (1064, 20672353), (1208, 18208099), (1729, 12721448), (1963, 11204984), (1976, 11131267), (2114, 10404628), (2869, 7666568), (3458, 6360724), (3926, 5602492), (4228, 5202314), (5738, 3833284), (6916, 3180362), (7852, 2801246), (8456, 2601157), (10531, 2088632), (11476, 1916642), (13741, 1600712), (13832, 1590181), (15704, 1400623), (20083, 1095224), (21062, 1044316), (22952, 958321), (27482, 800356), (37297, 589736), (40166, 547612), (42124, 522158), (54964, 400178), (73717, 298376), (74594, 294868), (80332, 273806), (84248, 261079), (109928, 200089), (136903, 160664), (147434, 149188)]