21167654354

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{121963}}^1$

素因数の和:122020

約数の個数: 64

約数和(自身を含む): 42150758400

約数和(自身を除く): 20983104046

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 49, 77, 98, 154, 161, 253, 322, 343, 506, 539, 686, 1078, 1127, 1771, 2254, 3542, 3773, 7546, 7889, 12397, 15778, 24794, 86779, 121963, 173558, 243926, 853741, 1341593, 1707482, 2683186, 2805149, 5610298, 5976187, 9391151, 11952374, 18782302, 19636043, 30856639, 39272086, 41833309, 61713278, 65738057, 83666618, 131476114, 137452301, 215996473, 274904602, 431992946, 460166399, 920332798, 962166107, 1511975311, 1924332214, 3023950622, 10583827177, 21167654354]

約数ペア:

[(1, 21167654354), (2, 10583827177), (7, 3023950622), (11, 1924332214), (14, 1511975311), (22, 962166107), (23, 920332798), (46, 460166399), (49, 431992946), (77, 274904602), (98, 215996473), (154, 137452301), (161, 131476114), (253, 83666618), (322, 65738057), (343, 61713278), (506, 41833309), (539, 39272086), (686, 30856639), (1078, 19636043), (1127, 18782302), (1771, 11952374), (2254, 9391151), (3542, 5976187), (3773, 5610298), (7546, 2805149), (7889, 2683186), (12397, 1707482), (15778, 1341593), (24794, 853741), (86779, 243926), (121963, 173558)]