21247819398

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^2\times {\mathrm{258697}}^1$

素因数の和:258740

約数の個数: 72

約数和(自身を含む): 51697173528

約数和(自身を除く): 30449354130

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 169, 234, 243, 338, 351, 486, 507, 702, 1014, 1053, 1521, 2106, 3042, 3159, 4563, 6318, 9126, 13689, 27378, 41067, 82134, 258697, 517394, 776091, 1552182, 2328273, 3363061, 4656546, 6726122, 6984819, 10089183, 13969638, 20178366, 20954457, 30267549, 41908914, 43719793, 60535098, 62863371, 87439586, 90802647, 125726742, 131159379, 181605294, 262318758, 272407941, 393478137, 544815882, 786956274, 817223823, 1180434411, 1634447646, 2360868822, 3541303233, 7082606466, 10623909699, 21247819398]

約数ペア:

[(1, 21247819398), (2, 10623909699), (3, 7082606466), (6, 3541303233), (9, 2360868822), (13, 1634447646), (18, 1180434411), (26, 817223823), (27, 786956274), (39, 544815882), (54, 393478137), (78, 272407941), (81, 262318758), (117, 181605294), (162, 131159379), (169, 125726742), (234, 90802647), (243, 87439586), (338, 62863371), (351, 60535098), (486, 43719793), (507, 41908914), (702, 30267549), (1014, 20954457), (1053, 20178366), (1521, 13969638), (2106, 10089183), (3042, 6984819), (3159, 6726122), (4563, 4656546), (6318, 3363061), (9126, 2328273), (13689, 1552182), (27378, 776091), (41067, 517394), (82134, 258697)]