21031915100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{2467}}^1$

素因数の和:3148

約数の個数: 144

約数和(自身を含む): 55012312320

約数和(自身を除く): 33980397220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 641, 665, 700, 950, 1282, 1330, 1900, 2467, 2564, 2660, 3205, 3325, 4487, 4934, 6410, 6650, 8974, 9868, 12179, 12335, 12820, 13300, 16025, 17269, 17948, 22435, 24358, 24670, 32050, 34538, 44870, 46873, 48716, 49340, 60895, 61675, 64100, 69076, 85253, 86345, 89740, 93746, 112175, 121790, 123350, 170506, 172690, 187492, 224350, 234365, 243580, 246700, 304475, 328111, 341012, 345380, 426265, 431725, 448700, 468730, 608950, 656222, 852530, 863450, 937460, 1171825, 1217900, 1312444, 1581347, 1640555, 1705060, 1726900, 2131325, 2343650, 3162694, 3281110, 4262650, 4687300, 6325388, 6562220, 7906735, 8202775, 8525300, 11069429, 15813470, 16405550, 22138858, 30045593, 31626940, 32811100, 39533675, 44277716, 55347145, 60091186, 79067350, 110694290, 120182372, 150227965, 158134700, 210319151, 221388580, 276735725, 300455930, 420638302, 553471450, 600911860, 751139825, 841276604, 1051595755, 1106942900, 1502279650, 2103191510, 3004559300, 4206383020, 5257978775, 10515957550, 21031915100]

約数ペア:

[(1, 21031915100), (2, 10515957550), (4, 5257978775), (5, 4206383020), (7, 3004559300), (10, 2103191510), (14, 1502279650), (19, 1106942900), (20, 1051595755), (25, 841276604), (28, 751139825), (35, 600911860), (38, 553471450), (50, 420638302), (70, 300455930), (76, 276735725), (95, 221388580), (100, 210319151), (133, 158134700), (140, 150227965), (175, 120182372), (190, 110694290), (266, 79067350), (350, 60091186), (380, 55347145), (475, 44277716), (532, 39533675), (641, 32811100), (665, 31626940), (700, 30045593), (950, 22138858), (1282, 16405550), (1330, 15813470), (1900, 11069429), (2467, 8525300), (2564, 8202775), (2660, 7906735), (3205, 6562220), (3325, 6325388), (4487, 4687300), (4934, 4262650), (6410, 3281110), (6650, 3162694), (8974, 2343650), (9868, 2131325), (12179, 1726900), (12335, 1705060), (12820, 1640555), (13300, 1581347), (16025, 1312444), (17269, 1217900), (17948, 1171825), (22435, 937460), (24358, 863450), (24670, 852530), (32050, 656222), (34538, 608950), (44870, 468730), (46873, 448700), (48716, 431725), (49340, 426265), (60895, 345380), (61675, 341012), (64100, 328111), (69076, 304475), (85253, 246700), (86345, 243580), (89740, 234365), (93746, 224350), (112175, 187492), (121790, 172690), (123350, 170506)]