21431214

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4597}}^1$

素因数の和:4649

約数の個数: 48

約数和(自身を含む): 54513888

約数和(自身を除く): 33082674

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4597, 4662, 9194, 13791, 27582, 32179, 41373, 64358, 82746, 96537, 170089, 193074, 289611, 340178, 510267, 579222, 1020534, 1190623, 1530801, 2381246, 3061602, 3571869, 7143738, 10715607, 21431214]

約数ペア:

[(1, 21431214), (2, 10715607), (3, 7143738), (6, 3571869), (7, 3061602), (9, 2381246), (14, 1530801), (18, 1190623), (21, 1020534), (37, 579222), (42, 510267), (63, 340178), (74, 289611), (111, 193074), (126, 170089), (222, 96537), (259, 82746), (333, 64358), (518, 41373), (666, 32179), (777, 27582), (1554, 13791), (2331, 9194), (4597, 4662)]