21167280304

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{1181}}^1\times {\mathrm{5309}}^1$

素因数の和:6709

約数の個数: 40

約数和(自身を含む): 41248632240

約数和(自身を除く): 20081351936

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1181, 1688, 2362, 3376, 4724, 5309, 9448, 10618, 18896, 21236, 42472, 84944, 249191, 498382, 996764, 1120199, 1993528, 2240398, 3987056, 4480796, 6269929, 8961592, 12539858, 17923184, 25079716, 50159432, 100318864, 1322955019, 2645910038, 5291820076, 10583640152, 21167280304]

約数ペア:

[(1, 21167280304), (2, 10583640152), (4, 5291820076), (8, 2645910038), (16, 1322955019), (211, 100318864), (422, 50159432), (844, 25079716), (1181, 17923184), (1688, 12539858), (2362, 8961592), (3376, 6269929), (4724, 4480796), (5309, 3987056), (9448, 2240398), (10618, 1993528), (18896, 1120199), (21236, 996764), (42472, 498382), (84944, 249191)]