21101742

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 50054400

約数和(自身を除く): 28952658

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 131, 157, 171, 262, 314, 342, 393, 471, 513, 786, 942, 1026, 1179, 1413, 2358, 2489, 2826, 2983, 3537, 4239, 4978, 5966, 7074, 7467, 8478, 8949, 14934, 17898, 20567, 22401, 26847, 41134, 44802, 53694, 61701, 67203, 80541, 123402, 134406, 161082, 185103, 370206, 390773, 555309, 781546, 1110618, 1172319, 2344638, 3516957, 7033914, 10550871, 21101742]

約数ペア:

[(1, 21101742), (2, 10550871), (3, 7033914), (6, 3516957), (9, 2344638), (18, 1172319), (19, 1110618), (27, 781546), (38, 555309), (54, 390773), (57, 370206), (114, 185103), (131, 161082), (157, 134406), (171, 123402), (262, 80541), (314, 67203), (342, 61701), (393, 53694), (471, 44802), (513, 41134), (786, 26847), (942, 22401), (1026, 20567), (1179, 17898), (1413, 14934), (2358, 8949), (2489, 8478), (2826, 7467), (2983, 7074), (3537, 5966), (4239, 4978)]