21163035

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 34908480

約数和(自身を除く): 13745445

約数列:

[1, 3, 5, 15, 61, 101, 183, 229, 303, 305, 505, 687, 915, 1145, 1515, 3435, 6161, 13969, 18483, 23129, 30805, 41907, 69387, 69845, 92415, 115645, 209535, 346935, 1410869, 4232607, 7054345, 21163035]

約数ペア:

[(1, 21163035), (3, 7054345), (5, 4232607), (15, 1410869), (61, 346935), (101, 209535), (183, 115645), (229, 92415), (303, 69845), (305, 69387), (505, 41907), (687, 30805), (915, 23129), (1145, 18483), (1515, 13969), (3435, 6161)]