21287046

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 47401200

約数和(自身を除く): 26114154

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 109, 121, 218, 242, 269, 327, 363, 538, 654, 726, 807, 1199, 1614, 2398, 2959, 3597, 5918, 7194, 8877, 13189, 17754, 26378, 29321, 32549, 39567, 58642, 65098, 79134, 87963, 97647, 175926, 195294, 322531, 645062, 967593, 1935186, 3547841, 7095682, 10643523, 21287046]

約数ペア:

[(1, 21287046), (2, 10643523), (3, 7095682), (6, 3547841), (11, 1935186), (22, 967593), (33, 645062), (66, 322531), (109, 195294), (121, 175926), (218, 97647), (242, 87963), (269, 79134), (327, 65098), (363, 58642), (538, 39567), (654, 32549), (726, 29321), (807, 26378), (1199, 17754), (1614, 13189), (2398, 8877), (2959, 7194), (3597, 5918)]