21498259650

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1077607}}^1$

素因数の和:1077648

約数の個数: 96

約数和(自身を含む): 64139228160

約数和(自身を除く): 42640968510

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 133, 150, 175, 190, 210, 266, 285, 350, 399, 475, 525, 570, 665, 798, 950, 1050, 1330, 1425, 1995, 2850, 3325, 3990, 6650, 9975, 19950, 1077607, 2155214, 3232821, 5388035, 6465642, 7543249, 10776070, 15086498, 16164105, 20474533, 22629747, 26940175, 32328210, 37716245, 40949066, 45259494, 53880350, 61423599, 75432490, 80820525, 102372665, 113148735, 122847198, 143321731, 161641050, 188581225, 204745330, 226297470, 286643462, 307117995, 377162450, 429965193, 511863325, 565743675, 614235990, 716608655, 859930386, 1023726650, 1131487350, 1433217310, 1535589975, 2149825965, 3071179950, 3583043275, 4299651930, 7166086550, 10749129825, 21498259650]

約数ペア:

[(1, 21498259650), (2, 10749129825), (3, 7166086550), (5, 4299651930), (6, 3583043275), (7, 3071179950), (10, 2149825965), (14, 1535589975), (15, 1433217310), (19, 1131487350), (21, 1023726650), (25, 859930386), (30, 716608655), (35, 614235990), (38, 565743675), (42, 511863325), (50, 429965193), (57, 377162450), (70, 307117995), (75, 286643462), (95, 226297470), (105, 204745330), (114, 188581225), (133, 161641050), (150, 143321731), (175, 122847198), (190, 113148735), (210, 102372665), (266, 80820525), (285, 75432490), (350, 61423599), (399, 53880350), (475, 45259494), (525, 40949066), (570, 37716245), (665, 32328210), (798, 26940175), (950, 22629747), (1050, 20474533), (1330, 16164105), (1425, 15086498), (1995, 10776070), (2850, 7543249), (3325, 6465642), (3990, 5388035), (6650, 3232821), (9975, 2155214), (19950, 1077607)]