21023611

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 6071429

約数列:

[1, 7, 17, 31, 41, 119, 139, 217, 287, 527, 697, 973, 1271, 2363, 3689, 4309, 4879, 5699, 8897, 16541, 21607, 30163, 39893, 73253, 96883, 151249, 176669, 512771, 678181, 1236683, 3003373, 21023611]

約数ペア:

[(1, 21023611), (7, 3003373), (17, 1236683), (31, 678181), (41, 512771), (119, 176669), (139, 151249), (217, 96883), (287, 73253), (527, 39893), (697, 30163), (973, 21607), (1271, 16541), (2363, 8897), (3689, 5699), (4309, 4879)]