21237174

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:2994

約数の個数: 64

約数和(自身を含む): 56793600

約数和(自身を除く): 35556426

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1197, 2394, 2957, 3591, 5914, 7182, 8871, 17742, 20699, 26613, 41398, 53226, 56183, 62097, 79839, 112366, 124194, 159678, 168549, 186291, 337098, 372582, 393281, 505647, 558873, 786562, 1011294, 1117746, 1179843, 1516941, 2359686, 3033882, 3539529, 7079058, 10618587, 21237174]

約数ペア:

[(1, 21237174), (2, 10618587), (3, 7079058), (6, 3539529), (7, 3033882), (9, 2359686), (14, 1516941), (18, 1179843), (19, 1117746), (21, 1011294), (27, 786562), (38, 558873), (42, 505647), (54, 393281), (57, 372582), (63, 337098), (114, 186291), (126, 168549), (133, 159678), (171, 124194), (189, 112366), (266, 79839), (342, 62097), (378, 56183), (399, 53226), (513, 41398), (798, 26613), (1026, 20699), (1197, 17742), (2394, 8871), (2957, 7182), (3591, 5914)]