21419270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1427}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 19707130

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1427, 1501, 2854, 3002, 7135, 7505, 14270, 15010, 27113, 54226, 112733, 135565, 225466, 271130, 563665, 1127330, 2141927, 4283854, 10709635, 21419270]

約数ペア:

[(1, 21419270), (2, 10709635), (5, 4283854), (10, 2141927), (19, 1127330), (38, 563665), (79, 271130), (95, 225466), (158, 135565), (190, 112733), (395, 54226), (790, 27113), (1427, 15010), (1501, 14270), (2854, 7505), (3002, 7135)]