21296814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1541

約数の個数: 64

約数和(自身を含む): 54853632

約数和(自身を除く): 33556818

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 154, 186, 217, 231, 341, 434, 462, 651, 682, 1023, 1302, 1487, 2046, 2387, 2974, 4461, 4774, 7161, 8922, 10409, 14322, 16357, 20818, 31227, 32714, 46097, 49071, 62454, 92194, 98142, 114499, 138291, 228998, 276582, 322679, 343497, 507067, 645358, 686994, 968037, 1014134, 1521201, 1936074, 3042402, 3549469, 7098938, 10648407, 21296814]

約数ペア:

[(1, 21296814), (2, 10648407), (3, 7098938), (6, 3549469), (7, 3042402), (11, 1936074), (14, 1521201), (21, 1014134), (22, 968037), (31, 686994), (33, 645358), (42, 507067), (62, 343497), (66, 322679), (77, 276582), (93, 228998), (154, 138291), (186, 114499), (217, 98142), (231, 92194), (341, 62454), (434, 49071), (462, 46097), (651, 32714), (682, 31227), (1023, 20818), (1302, 16357), (1487, 14322), (2046, 10409), (2387, 8922), (2974, 7161), (4461, 4774)]