21872214

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4451}}^1$

素因数の和:4482

約数の個数: 64

約数和(自身を含む): 59834880

約数和(自身を除く): 37962666

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4451, 4914, 8902, 13353, 26706, 31157, 40059, 57863, 62314, 80118, 93471, 115726, 120177, 173589, 186942, 240354, 280413, 347178, 405041, 520767, 560826, 810082, 841239, 1041534, 1215123, 1562301, 1682478, 2430246, 3124602, 3645369, 7290738, 10936107, 21872214]

約数ペア:

[(1, 21872214), (2, 10936107), (3, 7290738), (6, 3645369), (7, 3124602), (9, 2430246), (13, 1682478), (14, 1562301), (18, 1215123), (21, 1041534), (26, 841239), (27, 810082), (39, 560826), (42, 520767), (54, 405041), (63, 347178), (78, 280413), (91, 240354), (117, 186942), (126, 173589), (182, 120177), (189, 115726), (234, 93471), (273, 80118), (351, 62314), (378, 57863), (546, 40059), (702, 31157), (819, 26706), (1638, 13353), (2457, 8902), (4451, 4914)]