21197744

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:693

約数の個数: 40

約数和(自身を含む): 42945168

約数和(自身を除く): 21747424

約数列:

[1, 2, 4, 8, 16, 37, 61, 74, 122, 148, 244, 296, 488, 587, 592, 976, 1174, 2257, 2348, 4514, 4696, 9028, 9392, 18056, 21719, 35807, 36112, 43438, 71614, 86876, 143228, 173752, 286456, 347504, 572912, 1324859, 2649718, 5299436, 10598872, 21197744]

約数ペア:

[(1, 21197744), (2, 10598872), (4, 5299436), (8, 2649718), (16, 1324859), (37, 572912), (61, 347504), (74, 286456), (122, 173752), (148, 143228), (244, 86876), (296, 71614), (488, 43438), (587, 36112), (592, 35807), (976, 21719), (1174, 18056), (2257, 9392), (2348, 9028), (4514, 4696)]