21130165028

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1\times {\mathrm{1951}}^1$

素因数の和:2413

約数の個数: 96

約数和(自身を含む): 45625079808

約数和(自身を除く): 24494914780

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 61, 68, 119, 122, 238, 244, 373, 427, 476, 746, 854, 1037, 1492, 1708, 1951, 2074, 2611, 3902, 4148, 5222, 6341, 7259, 7804, 10444, 12682, 13657, 14518, 22753, 25364, 27314, 29036, 33167, 44387, 45506, 54628, 66334, 88774, 91012, 119011, 132668, 159271, 177548, 232169, 238022, 318542, 386801, 464338, 476044, 637084, 727723, 773602, 833077, 928676, 1455446, 1547204, 1666154, 2023187, 2707607, 2910892, 3332308, 4046374, 5094061, 5415214, 8092748, 10188122, 10830428, 12371291, 14162309, 20376244, 24742582, 28324618, 44391103, 49485164, 56649236, 86599037, 88782206, 173198074, 177564412, 310737721, 346396148, 621475442, 754648751, 1242950884, 1509297502, 3018595004, 5282541257, 10565082514, 21130165028]

約数ペア:

[(1, 21130165028), (2, 10565082514), (4, 5282541257), (7, 3018595004), (14, 1509297502), (17, 1242950884), (28, 754648751), (34, 621475442), (61, 346396148), (68, 310737721), (119, 177564412), (122, 173198074), (238, 88782206), (244, 86599037), (373, 56649236), (427, 49485164), (476, 44391103), (746, 28324618), (854, 24742582), (1037, 20376244), (1492, 14162309), (1708, 12371291), (1951, 10830428), (2074, 10188122), (2611, 8092748), (3902, 5415214), (4148, 5094061), (5222, 4046374), (6341, 3332308), (7259, 2910892), (7804, 2707607), (10444, 2023187), (12682, 1666154), (13657, 1547204), (14518, 1455446), (22753, 928676), (25364, 833077), (27314, 773602), (29036, 727723), (33167, 637084), (44387, 476044), (45506, 464338), (54628, 386801), (66334, 318542), (88774, 238022), (91012, 232169), (119011, 177548), (132668, 159271)]