21789473592

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{743}}^1$

素因数の和:1133

約数の個数: 128

約数和(自身を含む): 56481384960

約数和(自身を除く): 34691911368

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 157, 172, 181, 258, 314, 344, 362, 471, 516, 543, 628, 724, 743, 942, 1032, 1086, 1256, 1448, 1486, 1884, 2172, 2229, 2972, 3768, 4344, 4458, 5944, 6751, 7783, 8916, 13502, 15566, 17832, 20253, 23349, 27004, 28417, 31132, 31949, 40506, 46698, 54008, 56834, 62264, 63898, 81012, 85251, 93396, 95847, 113668, 116651, 127796, 134483, 162024, 170502, 186792, 191694, 227336, 233302, 255592, 268966, 341004, 349953, 383388, 403449, 466604, 537932, 682008, 699906, 766776, 806898, 933208, 1075864, 1221931, 1399812, 1613796, 2443862, 2799624, 3227592, 3665793, 4887724, 5015993, 5782769, 7331586, 9775448, 10031986, 11565538, 14663172, 15047979, 17348307, 20063972, 21113831, 23131076, 29326344, 30095958, 34696614, 40127944, 42227662, 46262152, 60191916, 63341493, 69393228, 84455324, 120383832, 126682986, 138786456, 168910648, 253365972, 506731944, 907894733, 1815789466, 2723684199, 3631578932, 5447368398, 7263157864, 10894736796, 21789473592]

約数ペア:

[(1, 21789473592), (2, 10894736796), (3, 7263157864), (4, 5447368398), (6, 3631578932), (8, 2723684199), (12, 1815789466), (24, 907894733), (43, 506731944), (86, 253365972), (129, 168910648), (157, 138786456), (172, 126682986), (181, 120383832), (258, 84455324), (314, 69393228), (344, 63341493), (362, 60191916), (471, 46262152), (516, 42227662), (543, 40127944), (628, 34696614), (724, 30095958), (743, 29326344), (942, 23131076), (1032, 21113831), (1086, 20063972), (1256, 17348307), (1448, 15047979), (1486, 14663172), (1884, 11565538), (2172, 10031986), (2229, 9775448), (2972, 7331586), (3768, 5782769), (4344, 5015993), (4458, 4887724), (5944, 3665793), (6751, 3227592), (7783, 2799624), (8916, 2443862), (13502, 1613796), (15566, 1399812), (17832, 1221931), (20253, 1075864), (23349, 933208), (27004, 806898), (28417, 766776), (31132, 699906), (31949, 682008), (40506, 537932), (46698, 466604), (54008, 403449), (56834, 383388), (62264, 349953), (63898, 341004), (81012, 268966), (85251, 255592), (93396, 233302), (95847, 227336), (113668, 191694), (116651, 186792), (127796, 170502), (134483, 162024)]