21479657320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{20231}}^1$

素因数の和:20399

約数の個数: 128

約数和(自身を含む): 55937433600

約数和(自身を除く): 34457776280

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 127, 152, 190, 209, 220, 254, 380, 418, 440, 508, 635, 760, 836, 1016, 1045, 1270, 1397, 1672, 2090, 2413, 2540, 2794, 4180, 4826, 5080, 5588, 6985, 8360, 9652, 11176, 12065, 13970, 19304, 20231, 24130, 26543, 27940, 40462, 48260, 53086, 55880, 80924, 96520, 101155, 106172, 132715, 161848, 202310, 212344, 222541, 265430, 384389, 404620, 445082, 530860, 768778, 809240, 890164, 1061720, 1112705, 1537556, 1780328, 1921945, 2225410, 2569337, 3075112, 3843890, 4228279, 4450820, 5138674, 7687780, 8456558, 8901640, 10277348, 12846685, 15375560, 16913116, 20554696, 21141395, 25693370, 28262707, 33826232, 42282790, 48817403, 51386740, 56525414, 84565580, 97634806, 102773480, 113050828, 141313535, 169131160, 195269612, 226101656, 244087015, 282627070, 390539224, 488174030, 536991433, 565254140, 976348060, 1073982866, 1130508280, 1952696120, 2147965732, 2684957165, 4295931464, 5369914330, 10739828660, 21479657320]

約数ペア:

[(1, 21479657320), (2, 10739828660), (4, 5369914330), (5, 4295931464), (8, 2684957165), (10, 2147965732), (11, 1952696120), (19, 1130508280), (20, 1073982866), (22, 976348060), (38, 565254140), (40, 536991433), (44, 488174030), (55, 390539224), (76, 282627070), (88, 244087015), (95, 226101656), (110, 195269612), (127, 169131160), (152, 141313535), (190, 113050828), (209, 102773480), (220, 97634806), (254, 84565580), (380, 56525414), (418, 51386740), (440, 48817403), (508, 42282790), (635, 33826232), (760, 28262707), (836, 25693370), (1016, 21141395), (1045, 20554696), (1270, 16913116), (1397, 15375560), (1672, 12846685), (2090, 10277348), (2413, 8901640), (2540, 8456558), (2794, 7687780), (4180, 5138674), (4826, 4450820), (5080, 4228279), (5588, 3843890), (6985, 3075112), (8360, 2569337), (9652, 2225410), (11176, 1921945), (12065, 1780328), (13970, 1537556), (19304, 1112705), (20231, 1061720), (24130, 890164), (26543, 809240), (27940, 768778), (40462, 530860), (48260, 445082), (53086, 404620), (55880, 384389), (80924, 265430), (96520, 222541), (101155, 212344), (106172, 202310), (132715, 161848)]