21633894

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:166

約数の個数: 72

約数和(自身を含む): 53113320

約数和(自身を除く): 31479426

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 61, 102, 114, 122, 153, 171, 183, 306, 323, 342, 366, 549, 646, 969, 1037, 1098, 1159, 1938, 2074, 2318, 2907, 3111, 3477, 3721, 5814, 6222, 6954, 7442, 9333, 10431, 11163, 18666, 19703, 20862, 22326, 33489, 39406, 59109, 63257, 66978, 70699, 118218, 126514, 141398, 177327, 189771, 212097, 354654, 379542, 424194, 569313, 636291, 1138626, 1201883, 1272582, 2403766, 3605649, 7211298, 10816947, 21633894]

約数ペア:

[(1, 21633894), (2, 10816947), (3, 7211298), (6, 3605649), (9, 2403766), (17, 1272582), (18, 1201883), (19, 1138626), (34, 636291), (38, 569313), (51, 424194), (57, 379542), (61, 354654), (102, 212097), (114, 189771), (122, 177327), (153, 141398), (171, 126514), (183, 118218), (306, 70699), (323, 66978), (342, 63257), (366, 59109), (549, 39406), (646, 33489), (969, 22326), (1037, 20862), (1098, 19703), (1159, 18666), (1938, 11163), (2074, 10431), (2318, 9333), (2907, 7442), (3111, 6954), (3477, 6222), (3721, 5814)]