21923460

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 74483136

約数和(自身を除く): 52559676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 347, 351, 390, 405, 468, 486, 540, 585, 694, 702, 780, 810, 972, 1041, 1053, 1170, 1215, 1388, 1404, 1620, 1735, 1755, 2082, 2106, 2340, 2430, 3123, 3159, 3470, 3510, 4164, 4212, 4511, 4860, 5205, 5265, 6246, 6318, 6940, 7020, 9022, 9369, 10410, 10530, 12492, 12636, 13533, 15615, 15795, 18044, 18738, 20820, 21060, 22555, 27066, 28107, 31230, 31590, 37476, 40599, 45110, 46845, 54132, 56214, 62460, 63180, 67665, 81198, 84321, 90220, 93690, 112428, 121797, 135330, 140535, 162396, 168642, 187380, 202995, 243594, 270660, 281070, 337284, 365391, 405990, 421605, 487188, 562140, 608985, 730782, 811980, 843210, 1096173, 1217970, 1461564, 1686420, 1826955, 2192346, 2435940, 3653910, 4384692, 5480865, 7307820, 10961730, 21923460]

約数ペア:

[(1, 21923460), (2, 10961730), (3, 7307820), (4, 5480865), (5, 4384692), (6, 3653910), (9, 2435940), (10, 2192346), (12, 1826955), (13, 1686420), (15, 1461564), (18, 1217970), (20, 1096173), (26, 843210), (27, 811980), (30, 730782), (36, 608985), (39, 562140), (45, 487188), (52, 421605), (54, 405990), (60, 365391), (65, 337284), (78, 281070), (81, 270660), (90, 243594), (108, 202995), (117, 187380), (130, 168642), (135, 162396), (156, 140535), (162, 135330), (180, 121797), (195, 112428), (234, 93690), (243, 90220), (260, 84321), (270, 81198), (324, 67665), (347, 63180), (351, 62460), (390, 56214), (405, 54132), (468, 46845), (486, 45110), (540, 40599), (585, 37476), (694, 31590), (702, 31230), (780, 28107), (810, 27066), (972, 22555), (1041, 21060), (1053, 20820), (1170, 18738), (1215, 18044), (1388, 15795), (1404, 15615), (1620, 13533), (1735, 12636), (1755, 12492), (2082, 10530), (2106, 10410), (2340, 9369), (2430, 9022), (3123, 7020), (3159, 6940), (3470, 6318), (3510, 6246), (4164, 5265), (4212, 5205), (4511, 4860)]