21059088764

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:368

約数の個数: 144

約数和(自身を含む): 45034472448

約数和(自身を除く): 23975383684

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 71, 73, 124, 142, 146, 151, 217, 284, 292, 302, 434, 497, 511, 604, 868, 961, 994, 1022, 1057, 1922, 1988, 2044, 2114, 2201, 2263, 3844, 4228, 4402, 4526, 4681, 5183, 6727, 8804, 9052, 9362, 10366, 10721, 11023, 13454, 15407, 15841, 18724, 20732, 21442, 22046, 26908, 30814, 31682, 32767, 36281, 42884, 44092, 61628, 63364, 65534, 68231, 70153, 72562, 75047, 77161, 131068, 136462, 140306, 145111, 145124, 150094, 154322, 160673, 272924, 280612, 290222, 300188, 308644, 321346, 332351, 341713, 477617, 491071, 580444, 642692, 664702, 683426, 782633, 955234, 982142, 1015777, 1124711, 1329404, 1366852, 1565266, 1910468, 1964284, 2031554, 2249422, 2326457, 2391991, 3130532, 4063108, 4498844, 4652914, 4783982, 4980863, 5478431, 9305828, 9567964, 9961726, 10302881, 10593103, 10956862, 19923452, 20605762, 21186206, 21913724, 24261623, 34866041, 41211524, 42372412, 48523246, 69732082, 72120167, 74151721, 97046492, 139464164, 144240334, 148303442, 169831361, 288480668, 296606884, 339662722, 679325444, 752110313, 1504220626, 3008441252, 5264772191, 10529544382, 21059088764]

約数ペア:

[(1, 21059088764), (2, 10529544382), (4, 5264772191), (7, 3008441252), (14, 1504220626), (28, 752110313), (31, 679325444), (62, 339662722), (71, 296606884), (73, 288480668), (124, 169831361), (142, 148303442), (146, 144240334), (151, 139464164), (217, 97046492), (284, 74151721), (292, 72120167), (302, 69732082), (434, 48523246), (497, 42372412), (511, 41211524), (604, 34866041), (868, 24261623), (961, 21913724), (994, 21186206), (1022, 20605762), (1057, 19923452), (1922, 10956862), (1988, 10593103), (2044, 10302881), (2114, 9961726), (2201, 9567964), (2263, 9305828), (3844, 5478431), (4228, 4980863), (4402, 4783982), (4526, 4652914), (4681, 4498844), (5183, 4063108), (6727, 3130532), (8804, 2391991), (9052, 2326457), (9362, 2249422), (10366, 2031554), (10721, 1964284), (11023, 1910468), (13454, 1565266), (15407, 1366852), (15841, 1329404), (18724, 1124711), (20732, 1015777), (21442, 982142), (22046, 955234), (26908, 782633), (30814, 683426), (31682, 664702), (32767, 642692), (36281, 580444), (42884, 491071), (44092, 477617), (61628, 341713), (63364, 332351), (65534, 321346), (68231, 308644), (70153, 300188), (72562, 290222), (75047, 280612), (77161, 272924), (131068, 160673), (136462, 154322), (140306, 150094), (145111, 145124)]