21163067952

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{60889}}^1$

素因数の和:61470

約数の個数: 80

約数和(自身を含む): 58983412320

約数和(自身を除く): 37820344368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 557, 624, 1114, 1671, 2228, 3342, 4456, 6684, 7241, 8912, 13368, 14482, 21723, 26736, 28964, 43446, 57928, 60889, 86892, 115856, 121778, 173784, 182667, 243556, 347568, 365334, 487112, 730668, 791557, 974224, 1461336, 1583114, 2374671, 2922672, 3166228, 4749342, 6332456, 9498684, 12664912, 18997368, 33915173, 37994736, 67830346, 101745519, 135660692, 203491038, 271321384, 406982076, 440897249, 542642768, 813964152, 881794498, 1322691747, 1627928304, 1763588996, 2645383494, 3527177992, 5290766988, 7054355984, 10581533976, 21163067952]

約数ペア:

[(1, 21163067952), (2, 10581533976), (3, 7054355984), (4, 5290766988), (6, 3527177992), (8, 2645383494), (12, 1763588996), (13, 1627928304), (16, 1322691747), (24, 881794498), (26, 813964152), (39, 542642768), (48, 440897249), (52, 406982076), (78, 271321384), (104, 203491038), (156, 135660692), (208, 101745519), (312, 67830346), (557, 37994736), (624, 33915173), (1114, 18997368), (1671, 12664912), (2228, 9498684), (3342, 6332456), (4456, 4749342), (6684, 3166228), (7241, 2922672), (8912, 2374671), (13368, 1583114), (14482, 1461336), (21723, 974224), (26736, 791557), (28964, 730668), (43446, 487112), (57928, 365334), (60889, 347568), (86892, 243556), (115856, 182667), (121778, 173784)]