21363703018

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{8663}}^1$

素因数の和:8891

約数の個数: 64

約数和(自身を含む): 39391395840

約数和(自身を除く): 18027692822

約数列:

[1, 2, 7, 14, 19, 38, 73, 127, 133, 146, 254, 266, 511, 889, 1022, 1387, 1778, 2413, 2774, 4826, 8663, 9271, 9709, 16891, 17326, 18542, 19418, 33782, 60641, 64897, 121282, 129794, 164597, 176149, 329194, 352298, 632399, 1100201, 1152179, 1233043, 1264798, 2200402, 2304358, 2466086, 4426793, 7701407, 8853586, 12015581, 15402814, 20903819, 24031162, 41807638, 80314673, 84109067, 146326733, 160629346, 168218134, 292653466, 562202711, 1124405422, 1525978787, 3051957574, 10681851509, 21363703018]

約数ペア:

[(1, 21363703018), (2, 10681851509), (7, 3051957574), (14, 1525978787), (19, 1124405422), (38, 562202711), (73, 292653466), (127, 168218134), (133, 160629346), (146, 146326733), (254, 84109067), (266, 80314673), (511, 41807638), (889, 24031162), (1022, 20903819), (1387, 15402814), (1778, 12015581), (2413, 8853586), (2774, 7701407), (4826, 4426793), (8663, 2466086), (9271, 2304358), (9709, 2200402), (16891, 1264798), (17326, 1233043), (18542, 1152179), (19418, 1100201), (33782, 632399), (60641, 352298), (64897, 329194), (121282, 176149), (129794, 164597)]